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Car jerks when driving slowly

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Old Dec 16, 2007 | 09:04 PM
  #51  
rukkee's Avatar
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From: Western NY
Originally Posted by eastcoastz
ptrblkz24,
What modds do you have? It sound like we are have the same problem. Try doing what I did and warm the car up and unplug the coolant temp senor and take her for a little cruise. The problem is gone when I do that, but you don't want to be driving around like that too long.

Is it the cooling sensor next to the fuel rail?
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Old Dec 16, 2007 | 09:08 PM
  #52  
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Originally Posted by ptrblkz24
So i guess youve never driven your car in traffic huh?Try driving in nyc traffic,youll see what im talking about real fast.

To the other clowns that have no idea what we're talking about,its not driver error.The car is bucking when ur foot is on the pedal cruising at steady speed.This car doesnt like cruise smoothly at low speeds.
never bumper to bumper where i am thats why i love it.
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Old Dec 17, 2007 | 06:33 PM
  #53  
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From: mt kisco,ny
Originally Posted by eastcoastz
ptrblkz24,
What modds do you have? It sound like we are have the same problem. Try doing what I did and warm the car up and unplug the coolant temp senor and take her for a little cruise. The problem is gone when I do that, but you don't want to be driving around like that too long.
All i have is the gm stage 2,and a drop in filter.Im not gonna go unplugging sensors to try to fix the problem.I dont know if there is an updated flash for the car.I gotta look into it.


never bumper to bumper where i am thats why i love it.
Lucky man,lol.
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Old Jan 2, 2008 | 01:00 AM
  #54  
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From: Jackson, nj
Ok just let you guys know that might have the same problem that I HAD its fixed! I replaced my throttle body assembly and the car is now totally drivable in traffic and parking lots again. I don't know if the meth damaged either the TPS, idle control motor, or the throttle motor, but it almost brought a tear to my eye because the car hasn't run right in almost a year.
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Old Jan 2, 2008 | 06:46 PM
  #55  
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From: Cincy
very interesting....
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Old Jan 3, 2008 | 01:22 PM
  #56  
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From: Chandler, AZ
The mounts are not the only cause - I believe it's the drive by wire. On my old car, the idle was 700 or so, and I could hold the rpm at anything I wanted - 800, 900, 1000, whatever. My point is, that you could be as easy on the gas as you wanted.

Our throttle is essentially computer controlled, and I've noticed that the lowest rpm I can hold on my car is 1500. If I back off the pedal any amount after that, it just falls back to idle. Not a big deal, unless you're trying to go 5-10 mph in 1st or 2nd gear. Then the throttle acts more like an on/off switch and hence causes the car to jerk back and forth. It's annoying, but I guess it comes with the technology.

Now if you're talking about letting off the gas at 25 or 30 mph, or whatever, that's just what comes with a stick. If you have an auto and let off the gas, it just falls into neutral, hence no jerkiness. Mounts won't really do anything to fix this.
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Old Mar 3, 2008 | 04:50 AM
  #57  
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From: SI,NYC
mine doesn't jerk as bad as everyone else says it does on here...
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Old Mar 3, 2008 | 10:20 AM
  #58  
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From: henderson, N.C.
mine jerked real bad at low speed, when i put in the poly mounts it got better
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