This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY or a picture of a car with a lock through it? This is a common problem worth looking into. http://www.diy-gm-security.com/
Gas smell. Gas line is rusted through. Look for it all the way back. Since it runs a bit with fuel in the throttle
SOURCE: stalling no idle
Hi,if you want to now where is a leak ,start the car if is possible and spry the hosing pipes wen suddenly rpm increase you now where is the problem or ken be the trottle body!
SOURCE: 1995 lumina cranks but will not start
Sounds like it has jumped timing, dont know which engine you have so could be chain or belt.
SOURCE: 1991 S10 2.5L throttle body idles to fast
A vehicle that old will suffer from brittle and cracked vacuum lines. I would say there is a bad, or several bad lines leaking away vacuum from the intake manifold. Don't forget to check the hose going to the PCV on the valve cover. A vacuum leak will also cause the engine to stumble and miss intermittently when idling.
SOURCE: My problem is my 1990 GMC Sierra was running then
You need to do a fuel pressure test on it. You also need to test the injectors w/a noid light to see if you have pulse to the injectors.
SOURCE: 1992 vortec v6 motor getting spark and strong fuel
the probem is probably in the injector assembly whichis under the intake plenum.after removing it you will se the plastic tubes and ijector popit valves unlike actual individual injectors.this whole contraption must be replaced as an assembly.you can get repair manuals from this site or go to you library.it may actually be flooding as these had problems with leaking fuel pressure regulators which i think are also only part of the whole assembly.
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