Engine light comes on. Diagnosed with a code of 0420 catalyst malfunction
Jun 11, 2010 at 6:44 PM
2001 Chevy Truck CODE 0420
2001 CHEVROLET TRUCK
STEVARENO
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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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