1994 4.3L Blazer Running Rough. All help is welcome!
#11
Moving on. I have replaced the MAP sensor, and the engine is in time. Truck has 293,000 miles on it but motor and tranny are new as of 50,000 Miles ago.
Have not checked exhaust yet.
#12
I checked the exhaust for issues and it was all clear. It seems to me as if I have done everything within my power to diagnose the issue. Anybody have more experience or small details that might help solve? The only thing that I haven't looked into is replacing the ECU/ECM. Is that likely to be the issue?
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