Thx for the repy
I have been chasing this for 2 months now and have become quite frustrated (almost traded it in last week for a C6)!
--- I checked the wiring from the o2 sensor to the ECU - good continuity - performed shake and pull test on connectors - continuity still ok!
Can I use starting fluid (ether) for the vacuum test -- spraying around the vac hoses and manifold? Dont want to break what isnt broke!
Could this be an injector issue- partial clog or misfire causing lean condition? Wouldnt think so or it would show itself regardless of engine temp but I am an old points and condenser mechanic and dont know what I am talking about!
Tuesday, September 6th, 2011 AT 9:04 PM