car running rough

GORDON GT SERIES II

Club Treasurer
Staff member
ISDC Club Member
guys maybe someone can help my car is hunting at idle appears to be the dump valve so took it apart last night and the small spring was broke firstly can i just replace the spring and secondly if either of the springs were broke would it cause problems
 
Yes-faulty dump valve will cause the car to run like crap. Gearoid B4 had this problem too. Id take it off altogether-unless the car is tuned-theyre only a nuisance.
 
It would cause problems if it wasnt forming the correct seal. Air could be sucked in when you are off boost that hasnt been accounted for by the MAF... And on boost you would be leaking pressure cause it to run lean.
 
well lads got a laon of a standard part for the intercooler put it on sorted it straight away and the car never felt as good through the gears cheers for all the help much appreciated :thumbsup:
 
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