Chevy Workhorse 8.1 going into limp mode
Just looked, I haven't posted in 10 years, time flies. I have a 2004 pace arrow with 8.1 Chevy, I am getting engine code P0131, which puts the engine into a fail safe mode, thus losing power. My...
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Two different replies here said cleaning or replacing the MAF sensor cured their issue. For what it’s worth I just replaced the one on my 2005 8.1l. I was getting p0101 when pulling grades after a gas stop It turns out the MAF test only runs when near WOT and it takes 2 consecutive failed tests after restarts. That’s why mine also seemed to track with gas stops followed by grades.
It has under 40k miles but obviously they age out. I tried cleaning first then replaced it and the MAP sensor. No more codes. Just over $100 for both if I remember correctly. Granted, mine may have been the MAP sensor but I wanted the issue gone and "testing" was only during infrequent trips.
It has under 40k miles but obviously they age out. I tried cleaning first then replaced it and the MAP sensor. No more codes. Just over $100 for both if I remember correctly. Granted, mine may have been the MAP sensor but I wanted the issue gone and "testing" was only during infrequent trips.
