throttle fluctuation while in park - 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 04-20-2006, 05:22 PM   #1
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Default throttle fluctuation while in park

my car has not cut off while sitting in park but it throttles down where you can feel almost cutting off (prob just started maybe a week ago)
pre history
My thermostat housing leaked coolant after I THOUGHT that the 2 bolts were on there super tight.
coolant leaked on the wiring connecter for the throttle and now the plastic clip that goes on to the sensor has cracked and is very brittle. I don't want to touch for fear it will do more damage. I got to a pontiac dealership and show him the brittle clip and he says he know how to fix that.
I just drove the car from atlanta to chicago so i've put about 1500 miles on her.
My baby is built for the road.
Every time I've gone to a dealer and tried to research they were always wrong.
But everytime I come to this website they are right on point.
willwren rightly told me that I previously needed ign module but when I went to dealership they said I needed a timing chain.
pls help
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Old 04-20-2006, 06:07 PM   #2
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For an idle issue like that, I'd:
1. Make sure you don't have any vacuum leaks
2. Clean the throttle body (prefereably take it off first)
3. Check the idle air control valve.
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Old 04-21-2006, 06:15 PM   #3
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how do i replace the throttle ecletrical wiring connector clip that is damaged?
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Old 04-21-2006, 08:01 PM   #4
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Go to a salvage yard, cut a good one off, install in your vehicle being sure to seal soldered splice very well. Don't screw up the wiring, be sure each wire is splice to the correct wiring in your car.

Its not difficult at all but if you are not comfortable with this perhaps you have a friend who is good with wiring?
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Old 04-21-2006, 08:33 PM   #5
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long live bonneville club
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