Question about 1991 Buick Regal

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I have a 1991 buick regal stalls and shut off after warming up

I have a 1991 buick regal with a 3.8l engine. My car starts up fine and drives well until it reaches operating temp at which time it stalls and shut off. after waiting for 1-1.5 hours it starts up and runs well but shuts off after a few minutes again. any suggestions?

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Egr valve is not opening up when the engine reaches it normal operating temperture

Posted on Feb 07, 2010

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2003 buick regal,starts,runs but dies


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sounds as if you have two problems the first is mechanical problem in the engine witch is causing the noise you are herring and engine to stall but if you did not here this till after you changed the crank sensor you may be lucky as that may be causing both the stall from before witch happens when they heat up and when you installed the new one if it is not set far enough away from the crank it may have hit it and that is the noise you heard and why it will not start back up pull sensor and see if end has damage.
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I have a 1994 Buick Regal Gran Sport. It will not always start or will start and die immedietly but it will also start and run just fine. It will also just die when you are driving not stall ( you will be...


When my 94 Regal GS frequently wouldn't start for 30 minutes to an hour after being driven, it was the crankshaft positioning sensor that needed to be replaced. I also replaced the harmonic balance pulley. The car ran more smoothly and started everytime.

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I have a 1994 Buick Regal Gran Sport. It will not always start or will start and die immedietly but it will also start and run just fine. It will also just die when you are driving not stall ( you will be...


it could be as simple as drilling holes in your catalytic converter or replacing them. Alot of these symptoms show up because of a plugged cat. converter or fried o2 sensors

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sounds like it's tied into the coolant system..

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Sounds like your car is overheating. If you have a temp gauge it should show that. If you just have an idiot light, by the time it comes on it's already too hot to operate. AFTER the car is cooled down, open the radiator cap to see how much coolant has been lost. Chances are there is alot missing. Add WATER (no sense in adding coolant if it's going to leak out) and idle the car at home. Look underneath as it warms up to find where the leak is.

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Coolant fill procedure


NEVER open the radiator when the car (or any other engine) is running!! The radiator is part of the pressurized cooling system (under that cap is coolant at 15psi)

Correct way to check the coolant in the radiator, is wait until the engine is COLD, then remove the radiator cap and re-fill.

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