Why does my 2001 chevy blazer have 2 catalytic convertors?

Asked by Feb 25, 2015 at 04:29 PM about the 2001 Chevrolet Blazer 4 Door LS 4WD

Question type: Maintenance & Repair

2 Answers

7,215

because it need them to reduce the amount of CO2 in the exaaust

17,245

Pre-cat and post cat

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