1989 Chevy Caprice Idle problems

1989 CHEVROLET CAPRICE
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JOSHUA52
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Engine Performance problem
1989 Chevy Caprice V8 Two Wheel Drive Automatic alot miles

My car will not keep a steady idle .It goes up and down and is all around irradic it will keep an steady idle then falls into what i think is a mixture problem .have replaced both sensors on the trottle body and sill no dice .What could be the problem?
Nov 29, 2008 at 11:35 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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