94 gmc 1500 5.7. Blew manifold gasket. Replaced it and its overheating. Replaced thermostat, radiator. Now will overheat, return to normal. bob up and down. Have great heat in cab all the time.

94 gmc 1500 5.7. Blew manifold gasket. Replaced it and its overheating. Replaced thermostat, radiator. Now will overheat, return to normal. bob up and down. Have great heat in cab all the time. 1 Answer

I have a 1994 gmc z71 with the 5.7 engine. When the truck gets to normal operating temp it loads up and stalls at low rpm's. The only way it will restart is holding the gas pedal to the floor. 2 Answers

I have replaced both injectors, fuel filter and complete tune up including the coil and the distributor pick up. Any help would be great.

I have a 1990 gmc seirra 1500 4X4 with the 5.7 350 in it....im having trouble with it missing and backfiring thru the intake after it warms up...it runs fine cold....i 've replaced the plugs , wires , cap , button , and fuel filter and the fuel pump is about three yrs old...any ideas or experiences? 3 Answers

It seems to me like its choking itself to death....make sense?.....what would cause that?

ive replaced heater care water pump all heater hoses thermostat three times flushes the system intake gasket and still have no heat switches work blower works thermostat opens at 210 no over heating 1 Answer

does anyone have any ideal what could be going on

1998 GMC Sierra 1500 SLE, 5.0 L, Extended Cab, it gets error codes P0102, P0108, P1351 and dies or stalls all the time? 8 Answers

I changed the the coil and the part that runs the ignition system and the oil. Including the distributor and coil and the coil controller, crank shaft position sensor. My engine dies all the time and ...