hi im David, my problem is with a 98 pontiac bonneville, timing and how to set it - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-15-2011, 07:53 PM   #1
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Default hi im David, my problem is with a 98 pontiac bonneville, timing and how to set it

hello, I am having issues with my bonneville and setting the timing since it doesnt have a distributor i dont know how to do this
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Old 05-15-2011, 08:01 PM   #2
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there is no timing to set, what problems are you having to want to
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Old 05-15-2011, 08:03 PM   #3
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All of the timing is set through the PCM. It cannot be adjusted.

Why are you looking to modify the timing?
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Old 05-15-2011, 08:06 PM   #4
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think it has jumped timing due to chain stretching over time. Im not getting any fire through the coil packs and it only spins over. I have replaced the crank shaft sensor along with the fuel pump as well. and still just spins
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Old 05-15-2011, 08:33 PM   #5
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Quote:
Originally Posted by bigeasy30427 View Post
think it has jumped timing due to chain stretching over time. Im not getting any fire through the coil packs and it only spins over. I have replaced the crank shaft sensor along with the fuel pump as well. and still just spins
The 3800 timing chains are quite strong and rarely break, much less stretch, in stock applications. It sounds like your ignition control module is dead.
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Old 05-15-2011, 08:35 PM   #6
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Also, I'm moved your thread into the Bonnevilles 1992-99 section for better exposure, not that this should stop people from welcoming you to GM Forum, myself included. Welcome to GM Forum!
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Old 05-15-2011, 09:37 PM   #7
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If you have no spark, that has nothing to do with your timing. The only way to change that is with a computer and the correct software.

If you have no spark at all it could be a bad ICM. What is your security light doing?
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