Question about 2000 Buick Regal
I have a 2000 buick regal ls. It has always ran fine but tonight when i tried to start it the rpm gauge dropped to zero and it cut off. This happened six times before I got it back to my friends house to call a tow truck. I had to keep my foot on the gas to keep the motor on. It still looked like it was on but it wasnt. there was no check engine light and nothing indicating anything wrong, i looked at other forums and people say fuel pressure regulator but i dont want to spend money for nothing. i got the car started after i towed it home and as soon as it got to regular temperature it cut off again. I dont want to pay a mechanic $500 to tell me its a $50 part. Other forums say map sensor or egr valve, or volt regulator but there is no check engine light and i think those things would throw one. Can anyone help???
First, I think you have been going to the wrong mechanic if he is going to charge you $500 to diagnose a simple stalling problem.
Second, just because the check engine light is not on, does not mean that there are no fault codes stored in your computer. Some codes only turn the check engine light on if the problem is present at the time that you have the engine running. Other codes do not turn the check engine light on at all, but will usually store "Freeze Frame Data" to allow a technician to see what the operating conditions were when the code set.
So it would still be advisable to scan your engine computer for possible codes.
With all that said, your Regal is equipped with a 3.8L engine. Those things are notorious for the crankshaft position sensors going bad and not setting any codes.
They are also known for the ignition control modules going bad and causing a no-spark condition. When this happens it will usually set a code for EST Spark Timing (which may or may not turn the check engine light on).
Posted on Feb 21, 2012
Testimonial: "i will take your advice im going to buy a obd 2 code reader from auto zone an try to pull codes it will be worth it to own one. the moron at auto zone told me the computer didnt have codes in it wen there was not cel present so il never listen to a person there again. i will post again after ive hooked it up, i hope that driving it wen it went out did not damage my motor, thanks for sticking with me so far i was afraid id b stuck with a mechanic"
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Posted on Jan 02, 2017
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