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International Automotive Technicians Network
Re: POOR IDLE PONTIAC TRANSSPORT 3.8 1994
Posted to Technical Discussion Forum on 7/12/2001

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The O2 and Lambda reading both indicate a lean condition. Do the readings fluctuate up and down???. Try swapping number 3 and 6 injectors for 1 and 2 and see if the cylinder problem changes. 1 and 2 i... Login to read more.