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I have a '95 buick regal gs 3.8v6, and it'll just stop running in the middle of driving. I can stop and start it right back up. The service engine light is on, but i was told that's cause of a loose plug on top of the engine. Also only one fan behind the raditor is working? is that right?
Re: I have a '95 buick regal gs 3.8v6, and it'll just...
Yes only one fan is supposed to work, the other fan is for ur a/c. it shouldent be to hard to tighten down that spark plug if its loose. that wud cause some problems though if it was loose
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Usually when the engine is "hunting" for the idle speed, the throttle position sensor or idle air control valve is faulty, or there is gunk in the throttle body, or a vac leak somewhere. The computer controls the idle speed by using that control valve. Is the check engine light on when the engine is running ?
I had a similar problem....my 98 regal GS did the same. There is a two stage fuel pump resistor located in the right inner finder. It was corroded and open. The fix requires relocating new resister on firewall. Fix was $165.00 + tax to my mechanic and runs like new now. Hard to diagnose problem per mechanic.
It is most likely a crank sensor!!!!!!! i am 99.9999% positive that this is the culprit. I am a mechanic and this is the first thing i would check with your description.
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