Bonneville stalling problem persists, any help? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-18-2009, 03:56 PM   #1
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Default Bonneville stalling problem persists, any help?

Guys, the 96 bonneville is still stalling on me.
New parts mass air flow sensor, plugs wires harmonic balancer, and crank position sensor.
I dont even want to go into how much money.
Car still stalling after a warm start up. car will do cold start fine, or if it has sat over 2 hrs it will start fine.
but a restart after 10min of sitting, up to 2 hrs.. and the car will not run.
Any more ideas? no check engine light
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Moved to 92-99 section -Toddster.
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Old 08-18-2009, 04:02 PM   #2
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Is your check engine light on and if so have the codes been pulled?
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Old 08-18-2009, 04:08 PM   #3
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NO check engine light at all!
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Old 08-18-2009, 05:08 PM   #4
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Sorry I see I missed that at the end of your post. There are some codes that will not throw a check engine light so it may be worthwhile to get a scantool on it if you can.
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Old 08-18-2009, 05:45 PM   #5
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I actually requested that at inspection 1 week ago, and was told no codes showing as pending.. Im a pretty educated/mec. inclined person, but Im stumped.. cause its a constant intermitten problem.. if that makes sence... I have had it at 3 mechanics now and no answers!! I finally assumed it was the crank position sensor from all the info I had, and since the harmonic balancer had to come off anyway, I replaced it as I knew they go bad anyway..
Any other ideas?? the car always starts.. just stalls when the car is warm from driving and has sat off for 10 min up to 2 hrs. after the 2hrs.. its fine.. if its only sat for 5 min its fin..
IDK
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Old 08-18-2009, 06:50 PM   #6
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May sound odd, but check the ECT sensor, that'* Engine coolant temp. Also check intake air temp, and the idle air control. These couudl cause the problems your having.
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Old 08-18-2009, 07:18 PM   #7
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thanks I will check that
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Old 08-18-2009, 10:01 PM   #8
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check for corrision under the ignition module. had that happen on my 93 buick did the samething cleaned it up had good contact again and worked fine . worth checking out
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Old 08-19-2009, 07:34 AM   #9
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thanks, I will have it checked!
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