B4 idle issue

AndyZ

New member
Hello,have anyone of you guys had a insue woth idle control valve? Engine light,code 24. Running very rough,cold or warm,does no different. Valve replaced,no wiring bugs either. Could be ecu? Or just recalibrate valve as shows on youtube?
 
if you've already tried replacing the valve and can see it's working/moving with the engine on/off then an air leak or a faulty IAT/ECT sensor could cause similar problems. Does the roughness change any when cold/warm/inbetween or when it's hot/cold outside?
 
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