MAF Cleaning
#16
Instructor
Join Date: Nov 2002
Location: Atlanta, GA
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Originally Posted by yvonnejim
Can you explain further what the graphs mean? For us laymen. thanks
As can be seen, most of the time the graph is representative of the car at idle (rpm = 750 or so). The small "blips" that can be seen are when I quickly revved the throttle a few times.
At idle, you can see that my STFTs are heavily negative (-13, -16, -20, etc). That is not good and can be symptoms of a MAF that is having issues.