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Thread: urgent help please

  1. #1
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    Exclamation urgent help please

    every time i put my foot down they seems to be a jerk of power, floored it in 2nd gear and it seems to jerk( didnt take foot off), this only happens in the morning or if the car has been stood over night, every other time its ok,,
    thought it was the turbo but it only does it after car has been stood or temp is upto running temp,
    or could it be the injecters
    120 cdti,,

    also did it in 3 and 4 gear, but was cold running

  2. #2
    Regular Member alcutler's Avatar
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    Vehicle : vectra c 1.9cdti 120 estate

    Trim : design



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    Quote Originally Posted by tony stoney View Post
    every time i put my foot down they seems to be a jerk of power, floored it in 2nd gear and it seems to jerk( didnt take foot off), this only happens in the morning or if the car has been stood over night, every other time its ok,,
    thought it was the turbo but it only does it after car has been stood or temp is upto running temp,
    or could it be the injecters
    120 cdti,,

    also did it in 3 and 4 gear, but was cold running
    Could be EGR or Boost sensor in need of cleaning or perhaps a leak in the small vacuum pipes that run from the rear of the engine to the small valve at the front of the engine. What I would do is unplug the connector to the EGR valve and run the car without it connected - see if this solves the problem which would indicate a problem with this valve. It will put the spanner warning light on and eventually the EMLight but will not do any harm to the car.

  3. #3
    Regular Member alcutler's Avatar
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    Vehicle : vectra c 1.9cdti 120 estate

    Trim : design



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    Quote Originally Posted by tony stoney View Post
    every time i put my foot down they seems to be a jerk of power, floored it in 2nd gear and it seems to jerk( didnt take foot off), this only happens in the morning or if the car has been stood over night, every other time its ok,,
    thought it was the turbo but it only does it after car has been stood or temp is upto running temp,
    or could it be the injecters
    120 cdti,,

    also did it in 3 and 4 gear, but was cold running
    Or it could be the 3rd injector connector wiring problem - take a look at this http://www.vectra-c.com/forum/showthread.php?t=63811

  4. #4
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    My car had exactly the same problem for 2 years previous to me buying it, It was the throttle body needed re-soldering re-soldered and cured it, So if your taking the egr off anyway you may aswell take the throttle body off which is easy to do.

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