One problem related to power train has been reported for the 2001 Chevrolet Blazer. The most recently reported issues are listed below.
I have a 2001 Blazer that keeps popping up a check engine light codes. I. E p0301,p0753,p0756,p0758. I have had these parts replaced twice in the last few months. Mechanic said it was related to the electrical system. The codes come back after driving for about 100 miles.