Engine stops running
I have a 2001 Buick Lesabre . The car runs fine but on occasion ,( twice a month) it will stop running when sitting at a traffic light or coming to a stop .
Any ideas ? Thank you Gonzo |
bump it up for more ideas
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Could be a number of things.
Do you know any repair history in the last 2-5 years? |
I've owned the car 8 years .
It's been maintained well , filters , oil changes , fluids etc . It has 126,000 miles on it . It has never had plugs and wires changed but no miss's either . The car runs great and gets decent MPG . Only lately has it started (about 5 times ) stop running when stopping at a traffic light or just coming to a stop . It seems to idle in the 800 range . Gonzo |
So, in the 8 years that you have owned it, its never had a tune up, gasket change or any other maintenance besides oil changes correct?
Could be carbon buildup in the IAC valve area of the throttle body causing the IAC valve to close too early making it stall. |
Thx Mike , I'll check it out .
Gonzo |
its not your problem but as the plugs get higher gap, usually 100k on oem plugs, if you dont replace them, they start leaking out the wires and then you will have to replace both.
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I agree with Justin, and I'll suggest a full tune up.
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What would a "full tune up " consist of and can I do it myself ? Does it involve electronic tuning ?
Thx Gonzo |
2 Attachment(s)
Change out the spark plugs and spark plug wires.
It can be done with common sockets and a ratchet. A flex head ratchet like this one... https://www.gmforum.com/attachment.p...ine=1387560183works great on the rear bank sparkplugs. |
Mike ,
You mentioned a gasket change . There are no leaking gaskets at this time . Was you referring to something else ? Also , should I be concerned with the possible carbon build up ? I just came home from using the car . I stopped at a store and was waiting for my wife . It shut off after idling about 5 minutes . I immediately hit the key and it started back up with no problem . It's still a PIA . Gonzo |
I was referring to lower/upper intake manifold gaskets. Do you know if and when they have been changed out?
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no flexible ratchets necessary to change the rear plugs, just some different size extensions. im not a big fan of the flex or wobble stuff. they will get you in trouble more than help
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