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Originally Posted by cel314
Hi guys, new to this forum ( but have been reading posts and replies ). ok, here's the story! I have a 1990 chevy lumina 3.1 engine and the car has been down for over two weeks doing repairs myself on it. I've owned for about ten years now and am at a dead stop on the problem. My car over the past year has had a weird starting/stalling problem and now there is no electric pulse to any of the injectors. The list of parts replaced are as follows: Fuel pump, fuel pressure regulator, map sensor, o2 sensor, aic, crankshaft sensor, ignition module, 3 coils, temp sensor, tps, and now the ecm, ( put in old prom ). I am at wits end as to why there is no electical pulse to the injectors to tell them to open/close when the car cranks over, ( it will start with squirt of starting fluid sprayed into the throttle body ). Any/ all help would be appreciated.
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OK, started to check ALL wires and connectors and found one loose connector in courtesy panel, also;, a relay switch getting hot, ( meaning i finnally got her running ), BUT, when car warms up to hot, it still stops running. Going to get a new relay switch, ( fuse ), and give it another try!