Timing problems? - 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 07-26-2004, 01:11 PM   #1
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Default Timing problems?

I'm having some problems w/ my car since my last install.
I thought it was a clogged cat but it turns out it wasn't.
After my car goes above 185-190 it looses massive amounts of power. It feels like a ton of timing is being pulled. I'f i can get it back to 180 it runs fine. But keep in mind when it'* 180 and colder it runs great and is fast as sh*t. I have no idea what'* causing this. My climate control blinks the ext temp for a while after start up and my traction and abs lights are on.
So far i've isolated:
It'* not fuel filter/spark plugs/vaccum leak.
Any ideas?????
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Old 07-27-2004, 07:58 AM   #2
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Sounds like ign problems ie; coil pack, ign modual cranksensor etc, check those out. Something along your ign system maybe starting to breakdown. If you have a Volt-OHM meter and a good repair manual you can check out the sensors and switches that make up the ign system and see which part it might be.
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