Question about 1995 Oldsmobile Cutlass Ciera
This is happening to me 4 times and it's an intermittent problem. When trying to start the car from a cold start, I would think It was fixing to start and I'd turn the key back and it would make one back fire . If you try to start it again, it will but it just sputters and back fires and the engine revs up by it's self then shuts off. I've replaced both cam sensors and the computer control module. The entire car had a complete overall and tune up with top of engine being replaced and all new wires and spark plugs, everything you would replace during an major over haul. The only thing I haven't replaced is the ignition module and coil packs, but I don't know if they would have anything to do with the problem. I'm totally confused with this one. I connected he code fault finder and it shows no faults.
PS, it normally fixes it self if it sits for 4 days or so and it will run like new for months. Never happens while driving...only from a cold start.Never happens if you have been driving the car and you lets say stop to shop or whatever. Always happens in my driveway.
Thanks for any help
When you have a backfire on startup, normally means you need the timing adjusted. Normally this is not included in a basic Tune-up.
The ICM gets an impulse from the cam sensor(s) to let the coil know when to fire.
If there are no Check Engine Lights, Have the timing adjusted. If there are codes, please post them so we can further be of assistance.
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Posted on Jan 27, 2009
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Posted on Jan 02, 2017
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