1994 GMC Sierra "1500 spark" Questions

...spark My 98 gmc 1500 V8 5.0l won't start. Has good spark and fuel. Thought cat was clogged so cut it off. Have checked coil,ignition module,distributor, and changed plugs(twice). Replaced the ...

1500 v6 has on spark replace the coil, moudlar and the crank sensor. please help there are 3 solutions, 1, the distrubter, 2 spark plug wires, 3 power supplie to the coil pack (as in the wiring harnis

...1500 runs good at idle runs aweful going up hills have already replaced spark plugs and wires, distributor cap and rotor, replaced gaskets on throttle body, O2 sensor, fuel filter, fuel pump, egr ...

...spark plug wiring diagram for 1998 gmc sierra 1500 I dont understand why you would need that unless you took off all the wires and took out all the plugs and forgot how the wires were.I have the same ...

1500 extended cab 4wd truck that seems to die ocassionaly when driving and is hard to start i have replaced the fuel filter,fuel pump & relay and installed new plugs and checked for spark off coil

...1500 4x2 5.7L v8? the truck wont start & all other issues are ok there is fuel & power , the spark plugs have spark, the injectors are not opening, I heard that between the camshaft position ...

94 gmc 1500 hard to start i crank and it gets spark but have to shake the truck and then it starts why Possibly have crud in the tank.

...gmc 1500 2x4 305 manuel trans lean left bank mulitple miss fires If you are lean on the left side that rules out a spark issue so you either have a injector cutting out or a vacuum leak on that

...1500 p/u, 4.3 vortec. Will not start. No codes, good fuel pressure and spark I assume it is cranking. So if you have gas and fire, we're down to timing, right? Or do you have security light on? Not ...