Questions & Answers for: GMC Jimmy pulse

Injector pulse Has fuel pressure, changed the fuel pump and the computer. Still will not start. How does it get injector pulse? I am guessing this has the 4.3 vortec and if so the problem likely is in

...to look there as sometimes the wire harness gets stuck beteen the engine and trans and the injector pulse wire gets broken Puplewire beteen the computer and the fuel injector. Sounds like theres ...

...the spider injector was 12 volts but still doest not tur on a simple 12vdc will not due, it needs a pulse signal from the computer. a full 12vdc could fry the injectors, but the spider assemblys in ...

the truck pulses in idle at any rpms and is hesitant when you step onthe gas when at an idle it feels like it is going to stall but picks up again just to go right back into almost stalling repeatedly

Brakes are pulsing After performing a standard brake job on a 99 jimmy the brakes are pulse when stopping. What would be the cause of this? new rotors, machine rotors or just a pad slap? pulsing ...

...cowl locate the wiper motor,there is a bolt that holds the square plastic piece called the wiper pulse module its a easy fix and you almost...cant mess it up. you can also turn the wipers on and ...

the injetors not fireing Pickup coil in the distributor is what makes the injectors pulse,this is the most likely problem,please rate,thank you

1987 gmc jimmy s15 2.8L turns over but wont start. Coil not getting a spark to spark the plugs. Any ideas ??? Is the coil getting power and a ground pulse from the ignition module ? ?

89 GMC S15 Jimmy getting fuel to the throttle body but not through it The pick up coil and module need to be replaced in the distributor.This is where your injectors get there pulse.

a 2001 jimmy gmc my speedometer dose not work and my transmision will not shift i changed the sensor and it didnt fix the problem i changed the filter didnt help what else could cause this problem ...