stuck gas pedal - Page 2 - 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 02-13-2005, 05:48 PM   #11
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27.. I used to have the same issue on my 99. Exact same issue.

I ended up taking the throttle body off and cleaning it. Don't use carb cleaner to clean it with the sensors hooked up. I took mine completely off and removed all the sensors and let it soak in a coffee can of gasoline for about 45 minutes and scrubbed lightly on the inner portion of the throttle body. You'll be very surprised how much crap you get out of it. They just get gummed up over time.

I did mine at 77K when I did the upper intake and lower gaskets. When you do clean it, make sure you reassemble it with a fresh throttle body gasket. The old ones aren't meant to be reusable.
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