1997 Tahoe 2wd

If it seems it gets weaker and weaker as you drive ,it could be the catalytic converters ate stopped up as they heat up the contents expand cut off the exhaust flow hence causing the engine to stall . Have them checked out and replaced if neaessary Good luck

I had a couple people look at it no luck the one guy seems like he's on to something the power to fuel pump relay is coming on and off when it wants he said it might b the computer but that's not the problem I got one and nothing now there is a after market alarm on there is there be way that could cause my truck to cut in and out at will