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International Automotive Technicians Network
Re: GM fuel trims, load, and IPW
Posted to Technical Discussion Forum on 3/15/2004

FYI,

When I got the vehicle today and put the pressure gauge on and took it to drive up a hill the stinker didn't miss a beat. It was very boggy on Saturday. Rarely seeing pumps go from bad to good like this I now suspect it is more likly a wiring or ground ... Login to read more.