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International Automotive Technicians Network
Re: Very ' rich ' off idle in closed loop- fine in open
Posted to Technical Theory Forum on 5/7/2012

You, sir, need to establish a way of diagnosing problems in your shop that gets done EVERYTIME a drivability problem presents itself. Without such, you end up chasing your tail- literally or figuratively as demonstrated here.

Maybe this IS rocket science for... Login to read more.