1990 Chevy Truck Running Rich

1990 CHEVROLET TRUCK
133,000 MILES • 6 CYL • 4WD • AUTOMATIC
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MBOSLOPER
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I've inherrited a 1990 Chevy K1500 with a 4.3L engine. Replaced Catalytic Converter and Oxygen sensor. Exhaust still smells and engine still running rich. Idle runs a bit high. Any suggestions? Possibly an internal engine problem?
Oct 9, 2009 at 12:38 PM
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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