Stalling when engine is hot ??? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-03-2005, 01:58 PM   #1
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Default Stalling when engine is hot ???

Hi guys....

I am asking for a friend that owns a bonnie.
She has a 95 SE model with 130k on the clock
It seems to stall out once the motors gets hot.
All gauges reflect the normal readings....

They open the hood and let it cool and it will start up again and go.
If they shut the car off for any reason once the car is hot it won't restart?

Any ideas?

Thanks as always!
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Old 02-03-2005, 02:39 PM   #2
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Default stall

scan for codes?
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Old 02-03-2005, 03:23 PM   #3
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Quote:
Originally Posted by jr's3800
Been a while man... Gald to see your still with us...


Ok, there are several things that i'd look at...

First check the fuel pressure, should be between 48-55 psi...

Its also possibe that there is an intermintent crank sensor problem causing the car to stall, another check should be the ICM its self as this can fail in heat related conditions...
Hey Don.....Ya Im still here ....I snoop around once in awhile to see what you guys are up to....Family just been keeping so busy lately.... 4 kids can do that... lol

Thanks for the quick reply and I will have a look at these things.
Also will scan for some codes too.....wouldn't hurt.
The CEL has not come on......yet...lol

I have also been hanging around the FourEyedPride web site....I still can't deny my passion for the Capri!

This is for sale locally right now and Im wondering if I should use my tax return or not....





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Old 02-03-2005, 04:12 PM   #4
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My first two guesses would be a coil failing under heat (happened to me, and if you lose both cylinders that coil feeds, you could stall), or a clogged catalytic converter. When they heat up, the restrict.
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Old 02-03-2005, 04:21 PM   #5
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also the ICM could contribute to wills theroy
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Old 02-03-2005, 04:35 PM   #6
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I know this sounds hard to believe, but what about the engine failing? Like the block is warn and when everything expands it isn't tight enough to keep compression?


-justin
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Old 02-03-2005, 04:40 PM   #7
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That would be indicated by higher coolant temps, which I didn't see as a symptom.
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Old 02-03-2005, 04:42 PM   #8
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Maybe MAF, my 92 would start fine but then would flood itself and die. Leaving it set for awhile and it would start right back up. Just another thought.
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Old 02-03-2005, 04:43 PM   #9
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That would throw a code. A clogged cat or bad coil wouldn't.
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Old 02-03-2005, 04:46 PM   #10
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Good point. I got this one mixed with another in my head. Kept thinking there were no codes.

Do what he said.
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