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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 06-24-2005, 02:21 AM   #1
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Default What the **** happened?

Ok, so I was driving normally, car'* been fine. I get some gas, and shortly after the car starts shuddering badly, the check engine light started blicking and the traction off light went on. I don't think it was the gas because the engine idles and revs perfectly fine. Now the check engine light is on solid and there is a severe loss of power and shuddering under normal-high acceleration. It'* fine when I accelerate slow and when I rev it in park or neutral. All I can think of is transmission any other ideas or input?

I doubt fuel filter because the engine is fine out of gear, same with spark plugs.
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Old 06-24-2005, 05:03 AM   #2
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Quick scan. Could be a million things.
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Old 06-24-2005, 07:00 AM   #3
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ima scan it as soon as advanced auto parts opens, i donthink its the transmission tho, its not shuddering anymore, just extremely weak
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Old 06-24-2005, 07:43 AM   #4
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plug wires I'll say, misfire code is my bet
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Old 06-24-2005, 09:58 AM   #5
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the scan will probably say it all.
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Old 06-24-2005, 10:02 AM   #6
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Just because it will rev well in park or neutral, that'* not really an acid test because the engine isn't under load.

It'* most likely ignition, but it could also be a clogged fuel filter.
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Old 06-24-2005, 10:09 AM   #7
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Heck, I've seen water in the fuel will allow it to start and run fine w/o load and then kill the engine with a load...
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Old 06-24-2005, 04:29 PM   #8
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Cylinder 3 misfire, bad gas or bad plug?
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Old 06-24-2005, 04:46 PM   #9
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I called it!!!
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Old 06-24-2005, 04:54 PM   #10
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Quote:
Originally Posted by sonoma_zr2
I called it!!!
plug wires or plug itself? i just got new plugs think one is defective?
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