Answer by KEFFER SMITH for Mass Air Flow Expected Values
Also, remember that MAF is a reading of the amount of air entering the engine. If you have a backflow issues (high backpressure) or even a timing issue where the valves are not opening and closing at...
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Answer by mac for Mass Air Flow Expected Values
The 50 g/s max flow reading that you are getting is far lower than what merely altitude can explain. The chart above shows that at about 5,200 ft above sea level, the density of air is 83% of what it...
View ArticleAnswer by Allan Osborne for Mass Air Flow Expected Values
The fault code P0171 descriptor is Bank 1 running lean. The fault code P0174 descriptor is Bank 2 running lean. This means that your engine has too much air or not enough fuel for proper ignition. This...
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Mass Air Flow Expected Values
I have a 2002 Audi A4 Quattro 3.0. I have a Vagcom USB cable and I am trying to diagnose the MAF sensor. I had a friend get some readings from an OBD2 scanner, which indicated that both precat O2...
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