Strange Idle
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Junior Member
Joined: Jan 2007
Posts: 81
Likes: 0
From: Michigan
Car: 1986 Chevrolet Camaro Z28/99 Aurora
Engine: LB9 5.0 TPI/4.0 V8
Transmission: 700r4/?
Axle/Gears: 2.73/3.08
Strange Idle
When I start up my car it idles at 1800 rpm then when its warm it idles at about 1500 when I give the throttle a couple of quick pumps it will drop to 1000 and if I do it again usually it drops down to a nice 700 rpm but, It doesnt stay there after I have to give it gas it shoots back up to 1500 rpm at idle and sometimes higher in park. Whats going on?? Vacumm Leak??
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Strange Idle
Try cleaning the throttle body and linkage to see if it frees things up first.
Junior Member
Joined: Apr 2007
Posts: 72
Likes: 0
From: Fort Mcmurray, AB
Car: 87 Monte Carlo SS
Engine: Tweaked out 350
Transmission: tweaked 200r4
Axle/Gears: 3.73
Re: Strange Idle
Hi....Take a screw driver...break the screws loose on the the throttle blade and tighten them back up! Sometimes just a slight repositioning will work!!
Thread Starter
Junior Member
Joined: Jan 2007
Posts: 81
Likes: 0
From: Michigan
Car: 1986 Chevrolet Camaro Z28/99 Aurora
Engine: LB9 5.0 TPI/4.0 V8
Transmission: 700r4/?
Axle/Gears: 2.73/3.08
Re: Strange Idle
Thank you i cleaned the throttle blades and the throttle body it helped a little bit, ill loosen the screws and get back with you
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