amailloux Posted November 22, 2013 Share Posted November 22, 2013 How are you guys checking maf sensors when there is a dpf frequent regen concern. I have followed the p0101 maf test 4 times on trucks with no issue, and I always fall just outside the limit, I believe just low. most maf concerns over estimate at lower volume and underestimate at higher volume. do you guys have any set numbers you go by? I have been comparing some trucks and there are so many variables I find it hard. They never seem to set a p0101 either. Quote Link to comment Share on other sites More sharing options...
Aaron Posted November 22, 2013 Share Posted November 22, 2013 I was comparing to like units at like temperatures. Even going so far as to command all the air management PIDS the same (VGT, EGR, etc) and swapping air filters. Quote Link to comment Share on other sites More sharing options...
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