Mechanics

CHEVROLET BLAZER EXHAUST PROBLEM

2001 Chevrolet Blazer • 136,000 miles

What is a secondary air injection system malfunction?


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Guest
April 9, 2013.



The secondary air injection system helps reduce exhaust emissions. The system forces fresh filtered air into the exhaust stream in order to accelerate catalyst operation.

JDL
Apr 9, 2013.