Car Jerks When Starting Up

It is just strange that it only happens after each startup. Some newer models won't allow the driver to start a vehicle if his/her seat belt is undone. But if I drive for 15 minutespull the car off the road Turn the car off and let it sit for 1 minuterestart the car and continue my drive home the car does not stall out, or act up. What's weird is that you do hear the engine "catch" every now and againjust not consistently enough to get the engine to start easy. According to the Samarins website, one of the most significant issues that causes a car to jerk is a faulty transmission. If a car begins to jerk more frequently over time, this could be from a vacuum leak in the fuel system. The serial number of each vehicle is printed on a bar code decal mounted either below the passenger side cup holder or above the accelerator or brake pedal (Example: PH0901-123456, as shown, or F9901123456). If your car jerks when you accelerate, it can be a sign of moisture or probably something wrong in its motors. I only notice this happening when I first start up my car and begin to get going. It’s important to find out why the fluid is low and fix any problems. the car jerks backward from the 'Park' position after starting, like it's attempting to go into 'Reverse'. If the gas smell seems to be emanating from underneath your hood, your fuel injection system or carburetor might be leaking fuel. 5 and then to 1. If the car jerks when the RPMs go up, this is a sign that the filter needs changing, typically at a service station. Also if i push her too much to go faster too quickly it starts acting like the transmission is slipping. It's been doing this intermittently for. ? Okay I am going to try to explain this as best as possible. Insufficient burning inside the engine will make the car hesitates or jerks when driving. Also sometimes when sitting at a red light or stop sign the vehicle jerks a little. One of the best indicators of a failing fuel pump is found on the open road. If your motor does not immediately start up and run correctly, do not try to force it. I don't personally have any problem in reverse or in any gear higher than 1st. I dislike giving answers which reference another answer, but to avoid me scribing down and repeating, I invite you to read two of my pieces which will more than answer your question. What can be the cause of the car jerking? 23 Answers. This brief (approximately 1 second) loud rattle noise (sounds like jerking a chain quickly out of a plastic milk jug) has happened with my 2004 V6 3. Problems with engine jerk when I start my car. Then, it starts back up. Welcome To V6Mustang. Then if i move in low speed, i will be jerking badly. After that car stood few hours and then went to another drive and made this log. Now the issue is that when you put the car in D it jerks forward. If it hunts like that it could be a lot of things but most common would be. Chevy HHR Complaints Still Coming In I’m just now starting to feel the jerk in my 2008 HHR the light went away but this morning I went to go start my car to warm it up and the engine. So, if it is starting to fail, the car shifts hard. Im literally thrown towards the front of the car. After the first jerk, however, the car will not jerk again from Gear 1 to Gear 2. If the car is "in gear" or sending power from the engine through the transmission to the wheels when the engine starts, the car will lurch when starting up and then stall. But what seems to be the big deal when your car is jerking while driving? Experts and professionals on automotive vehicles suggest that there is a big. VW Golf SV DSG - Jerks forward on starting. The jerks while driving are a common symptom that something is wrong with the car. Seems like its going to die but never does until the above problem occurs. It often runs fine without jerking if you stay easy on the accelerator, but as soon as you race it, the car starts jerking. Read more Chrysler reviews to learn about other models. But if the weather is warmer, or if I start the car up after having driven it already, it will jerk a little bit, an "attention" light will light up on my dashboard and disappear after a minute or two of just warming up the car in park or driving it slowly. And, every time I start the car, the engine makes an awful noise; it seems to be an old vehicle. When you start your car, why does the engine RPM spike first before steadily going down to an equilibrium RPM? Always been curious, when I start my car the engine RPM spikes to 2-3000 RPM, falls immediately to around 1200 RPM, then steadily falls to 6-800 RPM over about half a minute which is its equilibrium position as its idling, I'm. and then the jerking happens at low rpms at all speeds but only after. However, I'm not sure if the previous owner has ever flushed it or not. Then, every once in a while, when I take my foot off the break, the engine sputters like crazy trying re-start and all the electrical stuff shuts off for about a second or two. CarComplaints. You can try blowing compressed air into the gap in the clutch and get some of the dust/dirt out of it. When I first start up my car (engine still cold), sometimes it jerks when changing from reverse to D or when I. What kind of car is is? When it jerk while shutting off, do you turn the key off and it sits there. Gurus in the house I need your assistance. But if the weather is warmer, or if I start the car up after having driven it already, it will jerk a little bit, an "attention" light will light up on my dashboard and disappear after a minute or two of just warming up the car in park or driving it slowly. Why does my car jerk when the engine is cold? Hi everyone, I hope this isn't too dumb of a question, but I am wondering if my car has something wrong with it or not. Moisture in the car’s distributor cap can cause a car to jerk when accelerating. Spark plugs and ignition coil. Look for damage. I notice it most often when starting up any incline and slowly starting to accelerate, it is at this time that I get a noticeable "jerk"/"miss". A new chainsaw might give you starting trouble right out of the box if you fuel it with an old gas/oil mixture, especially if it has added ethanol. There can be many causes behind this jerking motion, including problems in the starting system, fuel supply, engine or the exhaust pipe. There can be a number of reasons for this. Well my car has been getting worse and worse and i thought that my tranny was slowly going bad. 2006 Chevy Cobalt LT 2. Now the car is jerking really hard while driving. If it hunts like that it could be a lot of things but most common would be. Without enough fuel pressure, your car will not run reliably. If you do not see any, run your hand over the entire tire surface front and back. and it happened to me on the freeway while going back home from work. Yes upon start up, the rpm is higher but levels back out to normal about a 2 minutes later. If a car begins to jerk more frequently over time, this could be from a vacuum leak in the fuel system. i checked the batteries and they are all the same voltage whether uncharged or fully charged. With the passage of time, the sensor loses its efficiency and thus has to be replaced. When starting, in instruments cluster car showed 18C outside. Starting your car becomes more difficult or it simply refuses to start. CarComplaints. Start the car. Just wait a few minutes, and try to start the car again. But if I drive for 15 minutespull the car off the road Turn the car off and let it sit for 1 minuterestart the car and continue my drive home the car does not stall out, or act up. The 2006 Buick LaCrosse has 2 problems reported for sudden jerk from a standing start. This only happens when I am sitting still, not moving. this happens most of the time, from when i start up and put into drive, to when i put back into drive from having it reverse, the car jerks foward. Car jerks when accelerating at low speeds is not something rare. If not, the car jerks and stalls. You can try revving the engine in neutral while someone watches to see if it's rocking back and forth. My car is acting the same exact way, "ran fine until the next morning, on starting the car up now it misses and lacks power, if I turn it off and on again it runs fine again, until next morning it dose it again, is it just fuel filter do you think? Thanks" My car will occasionally crank and crank before starting. Car jerks around quite a bit until warmed up. Anyone know why it's doing this?. The car started to lose power, RPMs dropped, I feathered the accelerator to try and keep it running, and after stopping the foot action it stalled on the side of the road. My car kinda rocks when I first start it and especially if I start driving right away. Car jerks around quite a bit until warmed up. ), and the car won't start. If you have any questions about your V6 Mustang or just want to connect with other V6 Mustang owners around the world, you have found the best place on the internet to do that. just load tested,all ex. A bad throttle position sensor is the last thing that you will ever wish to have on your ride. Re: club car jerks when moving forward. If it hunts like that it could be a lot of things but most common would be. I have replaced the solenoid, batteries, On Board Computer OBC, and taken out the motor and check brushes. How do you find the model year of a Club Car golf cart? The serial number on your Club Car can help you determine the model year. Anyone know why it's doing this?. I owned a 2010 Prius Gen III which had an engine vibration problem at start up. One of the times it occurred twice after the car was warmed up and at driving speed. Just a brief follow-up for clarification. If it does it only when the engine is cold, it's because the idle speed is higher to more quickly light off the catalytic converters. Any idea what I should do or what might be the problem?. Sometimes it's subtle and sometimes it's very noticeable; however, it does not occur on every start. Q: My car jerk everytime I start to speed up. It is the second time that the gears get stuck in a month. There is also a hesitation after pressing on the gas pedal - not good. I knew something was wrong when I tried spraying washer fluid on my windshield and nothig happen. this only. Low fluid can prevent the transmission from shifting properly. It's like the engine winds up a bit too much then the drive clutch finally pops open very roughly. This only happens when I am sitting still, not moving. Vacuum leak start small then become worst gradually because of the pressure inside the engine, the vacuum is one of the key factors in determining how much fuel is needed by the engine, if there is a vacuum leak the air/fuel mixture will not be in the right proportion thus making the car jerks when accelerating. I just looked it up and read that its the clutch slipping and so i check the clutch as follows. You say the engine RPM doesn't go up but the speed increases as the throttle is pressed. A car that jerks when starting it, when accelerating or whilst you're driving is showing symptoms that something is wrong, though there can be many causes: it can be problems in the starting system, fuel, engine or the exhaust pipe. Any ideas or experience in this kind of problems? Apart from jerking thing car runs nicely. Car jerks around quite a bit until warmed up. A wet evening (fog, snow, rain, etc. Why does my car jerk when shifting gears with an automatic What causes my 96 olds 88 to badly jerk after start up then put in gear. Open the hood. My Club Car was off charger about 3 weeks, It ran fine when started up but then began jumping. Now the car is jerking really hard while driving. Ok heres my situationfor the past week or 2 i noticed that when i stop to almost a complete stop, i feel the car like jerk which kinda feels like i just ran over something on the road. car jerks when in gear at low rpm's? my car runs great and idles perfect but when i have the car in gear (anygear)at low rpm's like when im coming to a stop it jerks as if u were in first and not giving it enough gas please help. Wiki User 05/13/2009. my car seems like no power although the rpm already shows 2000rpm. Have charged it and checked the water level in the batteries. I have to almost come to a complete stop and then try to go again until it stops. It seems the clutch release is too fast. The car was still hesitant and it was REALLY starting to get on my nerves. This was (is) is a widely known problem. Hi,I've filled up the tank in my KB280 tdi,now experiencing a jerking problem after a couple of days,especially when accelerating faster,when letting go of the accelerator it switches of. The car jerks a bit when it does this, as if it’s idling too low and is trying to die, but it *never* does this when I’m in drive, or when I’m in reverse but have have been in the car for a while: it’s only when I first start the car and am. Dear All, Reg : Santro Zipplus LP. I got the car to go 70mph wjth normal rpms by very very slowly accelerating but the car is not drivable like this. It will crank and crank, but then takes forever to start. does it through the whole pedal range. Just until about a week ago my car worked perfectly fine, but now it’s starting to act up and jerk when changing gears. I pull up to the stop sign/light, and the engine shuts off like usual. My car is acting the same exact way, "ran fine until the next morning, on starting the car up now it misses and lacks power, if I turn it off and on again it runs fine again, until next morning it dose it again, is it just fuel filter do you think? Thanks" My car will occasionally crank and crank before starting. After much googling, I've narrowed the problem down to something, or perhaps nothing. Car jerks while driving at constant speed and has a Rough Idle, Help Please! 06-24-2013 05:02 PM #1 I have the following two issues, and I want to get them find a fix before they cause any related damages. There can be a number of reasons for this. The Chrysler 300 is a full-size luxury car that is currently sold as a 4-door sedan. If your car jerks when you accelerate, it can be a sign of moisture or probably something wrong in its motors. have to wait like half hour before it can start again? this i have tested few times =. Seems to be getting louder of late and only seemed to start about a month ago. My car is acting the same exact way, "ran fine until the next morning, on starting the car up now it misses and lacks power, if I turn it off and on again it runs fine again, until next morning it dose it again, is it just fuel filter do you think? Thanks" My car will occasionally crank and crank before starting. running it at full speed does not have this problem. Tour Start here for a quick overview of the site Car is sluggish, jerking, and idles rough. After warming up, at 1100rpm, -- can feel engine vibrates. does it through the whole pedal range. Look for damage. For example, If you've got rattling or humming in your transmission from a bad bearing, you'll likely see a leak turn up soon as the bad bearings will allowing the input or output shaft to wobble which will ruin the seal. Put Spring In Your Electric Golf Cart Posted on March 9, 2004 by Michael Williams All electric golf cart maintenance should start with the proper care & feeding of the batteries, checking the tightness of all cable connections and maintenance of the battery racks. Have to put the car in neutral when at a stop light or sign. I'm wondering if anyone has experienced [from time-to-time] a brief, loud rattle noise for approximately 1 second at cold start-up. Dear All, Reg : Santro Zipplus LP. it stalls after start-up in forward and reverse and it stalled three times while in idle in a fast food drive-thru. Car jerks/studders after fill-up For almost the whole time of owning my 01RS (bought w/ 63k in Dec 03), the car does something very unusual after filling it up. A car that jerks when accelerating, when starting the engine or even while driving at constant speed is showing symptoms of a problem. The purpose of a throttle position sensor is to keep your car working by controlling the throttle. Car jerks when coming to a stop. There is also a hesitation after pressing on the gas pedal - not good. In this article, we’ll look at the four most common reasons this braking vibration issue occurs. Upon cold starting the car, backing out of my driveway, and putting the car into drive, the car will "jerk" from Gear 1 to Gear 2. With every sound, smell, and insistent light on the dashboard, we see days without a car to get to work and money flying out of our wallets like winged monkeys in little red vests and hats. Why is my car jerking? So I've had my 2012 jetta sportwagen for a little over a month now and twice I've noticed when I first start up the car and drive it jerks forward at low speeds. com! We are the oldest and largest V6 Mustang forum on the internet. When you start your car, why does the engine RPM spike first before steadily going down to an equilibrium RPM? Always been curious, when I start my car the engine RPM spikes to 2-3000 RPM, falls immediately to around 1200 RPM, then steadily falls to 6-800 RPM over about half a minute which is its equilibrium position as its idling, I'm. My car will be driving normally, then sometimes when I start to speed up a little, the engine will rev high (between 4K and 5K RPM) and then jerk into gear. This started happening last month. If your car has a push button start system, read this guide. Unfortunately, you won't see the source of the problem when all of a sudden the system fails. The jerking reaction you are experiencing may be related to a dirty or failing mass air flow. 5 to 2 to 1. It sounds like I have the same issue with my 2012 GMC 2500 HD with the DuraMax and Allison transmission. Dear All, Reg : Santro Zipplus LP. Dirty injectors Bad plugs / Coil / Leads / Coil pack Dirty fuel o2 Sensor Throttle position sensor If you are doing your own maintenance run the fuel down to 1/8 tank and. CarComplaints. Chevy HHR Complaints Still Coming In I’m just now starting to feel the jerk in my 2008 HHR the light went away but this morning I went to go start my car to warm it up and the engine. Put Spring In Your Electric Golf Cart Posted on March 9, 2004 by Michael Williams All electric golf cart maintenance should start with the proper care & feeding of the batteries, checking the tightness of all cable connections and maintenance of the battery racks. just load tested,all ex. Any engine will kick back if the crankshaft is turning slowly enough when the spark fires that it can't make it over TDC before burning gets underway. If you don't have enough fluid then top it up. Don't know much about car repair, so any help is appreciated. when my car die, it will take me alist 30min to 1 hour to. Or else, when your car is lacking coolant, the car may heat up and exhaust white smoke. What kind of car is is? When it jerk while shutting off, do you turn the key off and it sits there. 4 TSI 2012 model is loosing power and cut off ,when I press accelerator the is no compression on it. For example, when the car is stopped at a traffic light and I then attemped to pull away in first gear the revs don't increase and the car doesnt pick up speed even though I'm stepping on the gas almost to the floor. then if i give it more gas it will go. Every other. When I slow down to a complete stop, right as I stop, my car will jerk or jump forward slightly. sometimes i just started my car for 2 mins and my car will just die out of nowhere. Start with the easiest fix. After the first jerk, however, the car will not jerk again from Gear 1 to Gear 2. What can be the cause of the car jerking? 23 Answers. In many ways, though, the old rules still apply. 1987 Sunbird GT non turbo, when cold engine, and accelerating, the car jerks back/forth, struggling at about 3000 -4000 rpm's. 13 Answers. In some cases it will slip between gears, so you start off OK but then when it would normally shift up to 2nd or 3rd the engine races for a few seconds before the transmission catches. If I start to cruise after filling up in 3rd or 4th gear the car pulses, similar to a slipping clutch. Call or schedule online with one of 14 Front Range locations today. Dear All, Reg : Santro Zipplus LP. Sometimes it will jerk (or more likely to be chilling/shivering :P)seriously until sometimes engine will die when starting it in the morning. Car jerks while driving at constant speed and has a Rough Idle, Help Please! 06-24-2013 05:02 PM #1 I have the following two issues, and I want to get them find a fix before they cause any related damages. 0L engine from time-to-time for about a year now. Your vehicle doesn't like running in high altitudes with a potato crammed up its tailpipe any more than you would (but, hey, to each his own). when my ca18det is cold, it idles ok, but if i give it any gas it tries to die until after it warms up a bit, after the gauge moves a bit, i can give it gas and it only hesitates if i floor it, but if i try to drive it bucks and backfires until 3000 rpm, then after then, pulls fine, no hesitation. If your car has a push button start system, read this guide. Start car, place in 1st, pull handbrake, dump clutch with no gas and the car stalled right out. Car jerks when in gear? Recently I changed 2 solenoids on my mk6 gti mechatronic. Then if i move in low speed, i will be jerking badly. I have a 2004 Honda Accord EX with high mileage and I typically stay on top of repairs needed for the car. Originally Posted by C₄H₁₀. It does not do this all the time, but enough to concern me. sometimes i just started my car for 2 mins and my car will just die out of nowhere. When I first start up my car (engine still cold), sometimes it jerks when changing from reverse to D or when I. Because otherwise, these things can give you a panic attack. Sometimes it will jerk (or more likely to be chilling/shivering :P)seriously until sometimes engine will die when starting it in the morning. Car will accelerate on clicks 2 thru 5, if it doesn't, then that is your bad soleniod, it would only take you about a minute to figure it out. CarComplaints. Synonyms for jerk at Thesaurus. Honda Accord: Why is My Car Jerking? Are you jerking at idle, in stop-and-go traffic, or while accelerating? Any or all of these might be your problem. There's an old adage when troubleshooting: start with the least expensive and simplest fix. Spark plugs and ignition coil. It doesn't start up until after I've drove for a good 15-20 minutes. If your motor doesn't run when you apply throttle and just stutters, jerks, jitters, wiggles, or vibrates, usually while making a whistle, screech, or beep sound, STOP. Or else, when your car is lacking coolant, the car may heat up and exhaust white smoke. In this case, check the transmission fluid level first. This is the result of moisture building up in the distributor cap, which produces an uneven electrical current, and the engine misfires. Page 1 of 7 - Car vibration at idle after engine start - posted in Maintenance & Repairs: I'm getting this quite regularly now. Moisture is formed inside the distributor cap during the night when the weather is cold or when it’s raining. Reduced power notification light came on today along with the engine light. Then, after backing up (if you do) wait a couple seconds after shifting into Drive before hitting the gas. I found I can induce it every so often by coasting and then making a hard acceleration. hi all, i have an issue when i am idling at traffic lights. new batteries in june. Like your own body, every car needs fuel to burn and air to breathe. Hey guys, im driving a vios and for the past few weeks, my car will start to hesitate especially when i accelerate hard from stop. Try starting your car after you fasten your seat belt. this morning when i put it into drive and didnt have my foot on the brake (but handbrake was still on), i thought the car was going to leap in the air. Like the title says. does it through the whole pedal range. Car jerks as I begin to accelerate. This will cause a series of jerks. But once I do stop and jerk, if I want to inch my way up, I don't get the jerk the. It will only do this if the engine is completely cold and car has been sitting overnight. Electric golf cart jerks when you ecelerate - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Whether cold or hot outside (I live in Florida) at the initial cranking up of the car and reversing, the car will reverse then when I switch it to Drive, remove my foot from the brakes to give it gas to move forward, the car will stay idle for about 5 seconds then jerk forward. Moisture is formed inside the distributor cap during the night when the weather is cold or when it’s raining. If the car is idling faster than the torque converter stall speed, it will jerk when you put it in Drive. Why is my car jerking? So I've had my 2012 jetta sportwagen for a little over a month now and twice I've noticed when I first start up the car and drive it jerks forward at low speeds. Why is it when driving the RPM gauge drops or jumps up? When I'm accelerating and get to required speed my RPM gauge either drops and steadies or jumps up then steadies back. My 2002 Honda Accord with 82500 miles on it jerks a bit when accelerating. manual transmission. I once had the same problem. There are many things that could cause a car to stall, with solutions ranging from simple to complex. This was (is) is a widely known problem. After littre driving, when coolant temp in instruments cluster started to rise, then car started to hezitate/jump/jerk. It does not do this all the time, but enough to concern me. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. when my ca18det is cold, it idles ok, but if i give it any gas it tries to die until after it warms up a bit, after the gauge moves a bit, i can give it gas and it only hesitates if i floor it, but if i try to drive it bucks and backfires until 3000 rpm, then after then, pulls fine, no hesitation. 0L engine from time-to-time for about a year now. Starting your car becomes more difficult or it simply refuses to start. Start car, place in 1st, pull handbrake, dump clutch with no gas and the car stalled right out. 13 Answers. Its normal when theres a mechanical connection between the cold engine and the tires. com : Car complaints, car problems and defect information. The sensation goes away after warming up though or if I'm going 30-40+ MPH. Dirty injectors Bad plugs / Coil / Leads / Coil pack Dirty fuel o2 Sensor Throttle position sensor If you are doing your own maintenance run the fuel down to 1/8 tank and. Reduced power notification light came on today along with the engine light. Back when carburetors were king and fuel pumps were mechanical, power loss usually came down to vapor lock or a clogged fuel filter [source: Goms ]. Page 1 of 7 - Car vibration at idle after engine start - posted in Maintenance & Repairs: I'm getting this quite regularly now. 2 months ago my car stopped on the highway. Try to encounter as many red lights and stop signs as you can on your test drive. What is the most likely cause?Notes:1 - Car is 4 years old @ 84K mileage. I'm guessing the fuel going into the stations tanks stirred up all the sediment and gunk which normally sits on the bottom, and I then pumped into my fuel filter. Car hesitation. It’s been really cold here for the last couple weeks so I was wondering if it was just the cold or if my transmission is starting to go out. When I inch forward on an incline in first gear (half clutch. Just a brief follow-up for clarification. How do you find the model year of a Club Car golf cart? The serial number on your Club Car can help you determine the model year. Ever since then if I drive my car for over an hour and especially if i get stuck in t. My car started jerking and juddering therefore I done a full service ie changed the spark plugs, air filter, oil filter, oil, brake pads and brake discs. A damaged tire will cause a car to pull or jerk to a side when driving at medium speeds. My 2007 Honda CR-V drags during start-up in the morning and after parking it for long. This is a common scenario when the car is parked outdoors and the weather is cold. Spark plugs and ignition coil. Now the car is jerking really hard while driving. bypassed all switches. The car can go through the gears with no issue and no codes when scanned. When I slow down to a complete stop, right as I stop, my car will jerk or jump forward slightly. but sometimes it takes entirely too long and too much gas to get it to move faster. So when I am driving along and the vehicle is in top gear and I begin to go up a hill and the car needs to downshift to maintain the speed it begins to jerk around like it is having trouble downshifting. See all problems of the 2012 GMC Terrain. I knew something didn't seem all together. My A4 judders/jerks and rpms jumps up and down when below 2000rpm. have to wait like half hour before it can start again? this i have tested few times =. Car jerks when in gear? Recently I changed 2 solenoids on my mk6 gti mechatronic. Originally Posted by C₄H₁₀. car jerks when in gear at low rpm's? my car runs great and idles perfect but when i have the car in gear (anygear)at low rpm's like when im coming to a stop it jerks as if u were in first and not giving it enough gas please help. Call or schedule online with one of 14 Front Range locations today. Just until about a week ago my car worked perfectly fine, but now it’s starting to act up and jerk when changing gears. sometimes i just started my car for 2 mins and my car will just die out of nowhere. After about thirty seconds or so of driving, the tendency to jerk should disappear. Im literally thrown towards the front of the car. A similar type of thinking goes into diagnosing car trouble. Most cars won't start when the transmission is in drive and/or your foot is not on the brake. Hi,I've filled up the tank in my KB280 tdi,now experiencing a jerking problem after a couple of days,especially when accelerating faster,when letting go of the accelerator it switches of. For example, when the car is stopped at a traffic light and I then attemped to pull away in first gear the revs don't increase and the car doesnt pick up speed even though I'm stepping on the gas almost to the floor. Just wait a few minutes, and try to start the car again. Now the issue is that when you put the car in D it jerks forward. A wet evening (fog, snow, rain, etc. My fear is that one day, it's just not going to re-start. The next step would be to ensure that the fuel injectors are as clean as possible. ? Okay I am going to try to explain this as best as possible. Vacuum leak start small then become worst gradually because of the pressure inside the engine, the vacuum is one of the key factors in determining how much fuel is needed by the engine, if there is a vacuum leak the air/fuel mixture will not be in the right proportion thus making the car jerks when accelerating. Don't know much about car repair, so any help is appreciated. Only on the stop. You say the engine RPM doesn't go up but the speed increases as the throttle is pressed. Car jerks/studders after fill-up For almost the whole time of owning my 01RS (bought w/ 63k in Dec 03), the car does something very unusual after filling it up. Then two days later, pulling away from a roundabout, getting up to 3rd gear, sudden power loss again, lots of jerking to the point the car virtually stopped and nothing would happen. This brief (approximately 1 second) loud rattle noise (sounds like jerking a chain quickly out of a plastic milk jug) has happened with my 2004 V6 3. Then, every once in a while, when I take my foot off the break, the engine sputters like crazy trying re-start and all the electrical stuff shuts off for about a second or two. This will cause a series of jerks. When your car's battery light comes on, you may feel alarmed and unsure of what to do. Why does my car jerk when the engine is cold? Hi everyone, I hope this isn't too dumb of a question, but I am wondering if my car has something wrong with it or not. This only happens when I am sitting still, not moving. just load tested,all ex. Diesel Car Jerks, Problem in Cold Start, Black Smoke: Get EGR and Diesel Injector Clean up. Shuddering from a start or going up a hill is a loose/worn drive belt. If you do not see any, run your hand over the entire tire surface front and back. It then goes back down and runs normally sound wise. If a mechanic ever tells you that your car has a bad ignition coil and it needs a replacement, just look for the following symptoms in your car before decide to go with his suggestion: 1. So, if it is starting to fail, the car shifts hard. Only on the stop. How to Respond When Your Car's Battery Light Goes On. i have a 1994 Ford Taurus When i come to a complete stop, and then accelerate the car will jerk big time and if i press the accelerate for too long Ford Taurus Jerks when i press the accelerator - RedFlagDeals. This does not happen all the time, it comes and goes for no apparent reason. My car is acting the same exact way, "ran fine until the next morning, on starting the car up now it misses and lacks power, if I turn it off and on again it runs fine again, until next morning it dose it again, is it just fuel filter do you think? Thanks" My car will occasionally crank and crank before starting. A new chainsaw might give you starting trouble right out of the box if you fuel it with an old gas/oil mixture, especially if it has added ethanol. 98' Jeep Grand Cherokee-stalls and jerks when running, help! I'm now driving a Honda sorry I gave up and got rid of the car.