My car "jerks"
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Old August 26th, 2010, 05:46 PM   #1
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My car "jerks"


What exactly is the problem if when I accelerate, it takes a second to respond... and then jerks forward, and then when I lift my foot off the gas it jerks before it starts to slow down..? How can I make it more of a smooth ride? Thanks in advance.

BTW this is just on the road... not on the track or anything. Accerating from stop lights and letting off the gas..
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Old August 26th, 2010, 06:28 PM   #2
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auto or 5spd?
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Old August 26th, 2010, 06:36 PM   #3
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Im guessing auto. Does your transmission fluid need to be filled at all?
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Old August 26th, 2010, 06:37 PM   #4
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Mine does the same thing when I let off the gas. It kinda feels like you hit the brakes for a split second before it starts to coast right? If so I'm right there with ya...kinda frustrating
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Old August 26th, 2010, 08:06 PM   #5
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if its a standard i would suggest learning how to use a clutch, if its an auto i have no idea.
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Old August 26th, 2010, 08:18 PM   #6
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Ok so is this just like 1/4 throttle driving or is it pretty wide open?
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Old August 27th, 2010, 12:16 AM   #7
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I got the same problem
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Old August 27th, 2010, 01:01 AM   #8
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Ok, to clear things up, it's auto. And about the transmission fluid... Not sure? could that cause my car to jerk though? And yes I am hjaving that same problem DaYanks.

Also, (And this has nothing to do with the jerking problem bc that has been going on before this started) I have had my O/D light come on a couple times now... is this just the sensor being retarded?
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Old August 27th, 2010, 01:03 AM   #9
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Check your transmission fluid, its good to check it every once and awhile, just like oil (although you dont have to change it as much )

If its low i'd imagine you'd get some hard shifts.
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Old August 27th, 2010, 01:06 AM   #10
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Originally Posted by Six Banger View Post
Check your transmission fluid, its good to check it every once and awhile, just like oil (although you dont have to change it as much )

If its low i'd imagine you'd get some hard shifts.
it will shift hard sometimes if the torque converter is getting a dry spot somewhere or something. check the fluid and fill if needed
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Old August 27th, 2010, 01:11 AM   #11
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Alright. Well tomorrow morning I'll take a look, and post up on my findings. Is there a line or meter or something to indicate if it is low? I suppose I would need something like that unless there is a significant amount not there.
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Old August 27th, 2010, 01:36 AM   #12
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Originally Posted by Mustang_Visuals_04 View Post
Alright. Well tomorrow morning I'll take a look, and post up on my findings. Is there a line or meter or something to indicate if it is low? I suppose I would need something like that unless there is a significant amount not there.
should be a dipstick for the ATF, somewhere under the hood, idk for sure i have a 5spd but keep us informed of your findings. if you have a dipstick check the level just like you would your oil and if its low add some more and let it run and if it was low it should smooth out if that was the only problem.
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Old August 27th, 2010, 01:45 AM   #13
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Awesome. Yep I'll do just that tomorrow and post my findings. Hopefully everything goes ok. Thanks!
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Old August 27th, 2010, 09:51 AM   #14
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My guess is that your Stang does not have a trans problem. Low fluid would more likely result in the bands slipping than grabbing. It could actually be a number of things but I think your going to find out that you have sensor problems. I have seen TPSs cause this bad IAC, IAT even had one that had a bad egr valve and was herky jerky like that.

The first place I would look is the MAF. Are you getting a check engine light?
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Old August 27th, 2010, 02:46 PM   #15
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Originally Posted by turp View Post
My guess is that your Stang does not have a trans problem. Low fluid would more likely result in the bands slipping than grabbing. It could actually be a number of things but I think your going to find out that you have sensor problems. I have seen TPSs cause this bad IAC, IAT even had one that had a bad egr valve and was herky jerky like that.

The first place I would look is the MAF. Are you getting a check engine light?
No. The only light that has come on is the "O/D off" light. -But the problem with the jerking had been occuring long before the light ever started coming on. So I don't believe there is a correlation.
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Old August 27th, 2010, 09:36 PM   #16
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No check engine light and the o/d off light comes on even when OD is turned on?
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Old August 27th, 2010, 10:51 PM   #17
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Yeah... I figured it was just the sensor?... that was faulty..? but yep, check engine light is not on i'm just trying to figure out what the hell is causing this damn jerking :/ my friends mustang doesn't jerk.. I mean its an 05 but still... im assuming its not normal
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Old August 28th, 2010, 12:47 AM   #18
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well i hope you narrow it down so that if anyone else has this prob they can find a fix. good luck
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