1991 chevy pick 350 up bogs down when give the gas to accelerate. But there are times that it runsgreat . changed the coolant temp sensor fuel filter added octaine booster to fuel any ideas?

Asked by Jul 22, 2017 at 02:13 PM about the 1991 Chevrolet C/K 1500 Silverado Standard Cab LB

Question type: Maintenance & Repair

1 Answer

2,335

TPS , EGR, MAP ? an intermittent problem is the worst , those items would have to be tested when the problem occurs , when it's running great they will test normal , give the throttle a blast of carb cleaner

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