Ive replaced fuel filter, fuel pump, fuel injectors, injector o-rings, fuel lines, throttle body kit, throttle position sensor, abc throttle body chip, mass air flow sensor, coil packs, spark plugs, spark wires, water pump, cadallidic converter, crankshaft sensor an quad driver module ( ECM component board )
Why will car not stay started at all unless gas manually sprayed into carbuertor on 1991 Buick Century
by ameture in Tampa, FL on July 18, 2014
ANSWER by pushrod , July 18, 2014
Injector pulse ok???.... Need to check with noid light!!
ANSWER by wrayauto , July 19, 2014
To answer your question; would require a systematic diagnosis, which which would certainly cost much less than what you have already spent, and give you a direct path to a solution!