1989 Buick Regal 2.8 No Hot Start - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-05-2014, 05:21 PM   #21
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Just finished the idle reset. Holds 42 psi fuel pressure from start to quit. Even relieved pressure after it quit, and turned the key on, pressure went right back to 42. No spark again. Guess I'll start checking wiring, cleaning the 5 ground points that I know of, and go from there.
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Old 03-29-2015, 01:31 AM   #22
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Having this same issue, on my dads 1989 Regal - 2.8L v6.. Changed the following... fuel pump, fuel filter, ECU/ECM (car computer),Crank Position Sensor, Spark Plugs, Plug Wires,.. Did you find a loose wire some where? And it happens after about 30min of running time.. Then it wont start until it seems to cool, like 10-15min later.
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Old 03-29-2015, 12:15 PM   #23
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If you are having no spark, and have replaced the ECM and Crank sensor, and then it fires after awhile, I would be leaning towards the ICM.......but double check the harness connections(males) for tightness at the crank sensor and the ICM.....
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Old 08-03-2015, 08:06 PM   #24
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Finally got it fixed. When all my problems started, I had put one of the parts store brand of oils in it. I don't think that was it, but I changed the oil and went back to my QS. Then I put one more crank sensor in, and changed the crank sensor pigtail. All seems to work well now.
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Old 08-03-2015, 08:09 PM   #25
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Finally got it fixed. When all my problems started, I had put one of the parts store brand of oils in it. I don't think that was it, but I changed the oil and went back to my QS. Then I put one more crank sensor in, and changed the crank sensor pigtail. All seems to work well now.
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Old 08-10-2015, 07:30 PM   #26
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Old 06-24-2017, 11:31 PM   #27
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Who the hell is this guy?
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Old 06-25-2017, 12:05 AM   #28
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Who the hell is this guy?
If I had to guess, a spammer.

Where'* Mike when ya need him?

Mike-><-otherguy
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Old 06-25-2017, 01:35 AM   #29
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Originally Posted by Daniscaughtinmud View Post
3800 GM engine dies after warm up atoperating temperature. Old first generation plastic intake plume chamber manifoldis a bad design. The new second generation plume chamber has a square pocket insteadof a round socket at the opposite end of where the airintake is. There is a PCV pressure control valve, that all cars seem to have underand inside plume chamber. There are bolts inside chamber that need to be retightenedevery now and then. Gasket weakens over 100,000 miles and engine sucks in the radiator fluid into thecombustion chamber. Remove old plume chamber and put a new one on. Also, use thesecond generation different gaskets. More torque can be applied. OR BAD THINGSHAPPEN. $1975 Spark plugs every 30,000miles. Not enough voltage at idle will make gauges and indicator lights doinsane dances. Make sure battery clamps are tight. Ebay stuff shows up andsplits my reply?? Sorry.
Okay, first off, posting to just about every thread that this could possibly apply to is not good. Second, you are replying to threads in excess of 6 months old, which is against forum rules. Finally, this doesn't even apply to this engine as it is, because it is a 1989 2.8, not a series 2 3800.

Please stop posting if you want to live.
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