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blew out #1 fuel injector at about 50,000 miles now showing trouble code 0420 at 105,000 miles (o2 sensors or CAT)

Sep 29, 2010

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Chevrolet Avalanche 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

CEL on

What is your question?

blew out #1 fuel injector at about 50,000 miles now showing trouble code 0420 at 105,000 miles (o2 sensors or CAT)

franklin17 in Walker LA

Sep 29, 2010

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Chevrolet Avalanche 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.