1992 Bonneville SE - engine stutters badly wont idle - - 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 12-29-2004, 10:34 AM   #1
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Default 1992 Bonneville SE - engine stutters badly wont idle -

This is my moms car she said it was fine when she went to work but when she went to go home it wouldnt idle by itself. Then when you give it gas it has alot of stuttering but if you rev it high and tap the gas pedal it will smoothe out for a minutew or two then go back to stuttering. I changed spark plugs, plug wires, and the fuel pump relay. The fuel filter was changed bout a year or so ago - but for 10 bucks I am changing it again to make sure. All the fluids oil, tranny, and coolant are all full when I first checked car out. I have a fuel pressure gauge new in the box, I never used one of those before hopefully I can do it right.

Does anyone else have any suggestions?
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Old 01-01-2005, 01:40 AM   #2
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How did the fuel pressure test come out?

It could be the Idle Control switch... If you can find a person with a computer to hook up to your mama'* car... it might have fliped a code.. and you can check the calibration of the idle control switch... It cost me something like $25 to get it done and to have my switch recalibrated...
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Old 01-03-2005, 12:23 PM   #3
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Default heres what we replaced

We replaced, plugs, plug wires, fuel filter, fuel pump and strainer, regulator, and Idle Air Controller, and also the fuel pump relay. Still does same thing so we towed to a shop to be put on a diagnostic. Will know something next cpl days they think somethings wrong with the CPU. Shoulda just took it in to begin with... *sigh*
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Old 01-04-2005, 05:29 PM   #4
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Sounds similar to an issue I had once. One of the three electronic coil packs went bad. Replaced it and everything was fine.
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Old 01-08-2005, 03:26 AM   #5
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it could be a leaky gasket
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Old 11-01-2006, 03:58 PM   #6
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Quote:
Originally Posted by mattsh
Sounds similar to an issue I had once. One of the three electronic coil packs went bad. Replaced it and everything was fine.
Same with me. My Ville woundnt start in cold weather, new coil pack did the job.
http://www.bonnevilleclub.com/forum/...e=article&k=33
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Old 11-01-2006, 04:52 PM   #7
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Please don't dig up old threads. This thread is almost 2 years old.

Feel free to start a new thread with a link back to the old one.

Thanks!
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