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?

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? 1 Answer

My truck dies when I hit the brakes when slowing down but runs great up to that point I've done changed the booster fuel pressure sensor and fuel pump nothing has worked. Any ideas? 7 Answers

chevy suburban 5.7liter 4x4 silverado 1991,question i have fuel pressure the jets work i have power to the coil but no spark to the wires.i also have power to the black box on pass. side top of engine i think controls when the spark happens i also replaced the module on backside of distributer, the distributer, the coil,the wires the plugs, bht havent done the cap and roter.is that the only thing that will stop the spark process?ive also checked the oil pressure and water temp sensors 3 Answers

chevy suburban 5.7liter 4x4 silverado 1991,question i have fuel pressure the jets work i have power to the coil but no spark to the wires.i also have power to the black box on pass. side top of engi...

No fuel to engine Chevy 1991 Cheyenne 1 Answer

1991 Chevy Cheyenne v6 standard 5 speed on the floor. Runs sometimes as long as RPMS are up. Won't idol. Won't start now. Changed fuel fillers, no help ther. Fuel pump with ignition on. No fuel in ...

I need some help please Ok I have a 1991 chevy 1500, 350 5.7L and it's wierd because sometimes she start fine but other times I have to I've her gas to start and having too use the 2 foot method 4 Answers

She dies after we left off the gas at a low idle and there is loads of white smoke coming out of the exhaust and we have recently replaced the head and the fuel pump and she's still keeps dieing...