- VW Polo 1.6 1998 eng code AEE - Running rich at idle Archived Message
Posted by martin young on July 19, 2006, 6:28 pm
this car has come in running rich at idle c/o 5% hc 488 (sorry cant give you the o2 etc untill the cmt is fixed )if you rev the car to 2000 rpm the c/o comes down so do the ppms thought it was an air leak but cant find any lambda is stuck at 0.92 volts at idle but switches at 2000rpm tests fuel pressure ok new lambda fitted cat ok no air leaks (i can find) no pre lambda exhaust leaks vacuum at idle 22hg no fault codes temp sensor swapped any ideas please 
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