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International Automotive Technicians Network
Re: runs ,goes rich from stft then stalls and starts and stalls
Posted to Technical Discussion Forum on 7/21/2021

that's a whole lotta' injection mike . it is being flooded . something is causing this pcm to suddenly go full rich .

make sure of the fuel pressure .

if all scan data remains stable when this happens , there's only one option .

go back tomorrow with a c... Login to read more.