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International Automotive Technicians Network
Re: fuel pressure testing
Posted to Technical Discussion Forum on 1/26/2014

hey John

the freeze frame data had an 89 percent load when code set, that was at 32 mph. usually when the load pid goes over 40 in freeze data, the problem is almost always fuel.

what I did to confirm a/f sensor working, since the system was full lean, I s... Login to read more.