Throttle Cable or?
Thread Starter
Junior Member
Joined: Aug 2001
Posts: 59
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From: PHX
Car: 92' Z28
Engine: 5.7
Axle/Gears: 3.23
Throttle Cable or?
I know this sounds like an obvious question, but.....my car started staying at a high idle off and on. I looked at the throttle position and saw that it had around 1/16" gap when the idle was high. A light nudge and it returned to the correct position. Wiped the accelerator cable and added a light cable oil. The cable doesn't feel overly tight, but I still have the throttle position problem. A slight wiggle of the cable and the plate rotates to the correct position. I am not completely conviced that the cable is causing this. Anyone else had the same situation? I can only recreate the problem with the car on.
92' Z28 With 5.7 TPI
92' Z28 With 5.7 TPI
Supreme Member
Joined: Aug 2001
Posts: 1,896
Likes: 1
From: Warrington, PA USA
Car: "02 z-28
Engine: LS-1
Transmission: 4L60E
Most likely your throttle body is gummed up. Take EVERYTHING apart and clean in carb cleaner or any suitable degreaser. Very common problem on any chevy from a 4cyl., to an LS1.
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