Mechanics

CHEVROLET BLAZER EGR VALVE PROBLEM

1989 Chevrolet Blazer • 49,000 miles

Code 32 replaced the egr valve and egr vacuum sloenoid, cleared code in computer and still have same issue. Does MAP sensor have any bearing on sittuation?
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Guest
October 17, 2012.



The passages are the most common reason for the egr not working. Stop replacing parts till you know the exact failure.

Start the motor with the egr off, and there should be vacuum in one port and exhaust in the other.

Roy


ASEMaster6371
Oct 17, 2012.