Originally Posted by
RS CR41G
the ecu is chipped mate,and only running 12psi,it was sound at one point then when got it out of storage got all the juddering problems,ive just found out that the throttle postion senser is no good but not sure if this will cause the jerking? and also theres a air leak sound coming from around the inlet manifold,could this cause poor running?
change the sensor if no good mate but definatly find where air leak is coming from it will deffinatly cause bad running best way to find where its coming from is get a tin of wd40 and spray around the inlet manifold if the engine picks up a little in a certan area theres your leak,hope this helps