The research was conducted for the purpose of determining the possibility of diagnosing faulty MAP sensor readings of an automobile spark ignition engine. In that sense, an engine with no air-flow meter, operating under steady-state conditions, was tested on the test stand. The engine fuel syste...
Regards the scanner live data & scope data disparity in relation to the MVB3 & scope tests. If you unplug the MAF on this engine & look at the MAF readings while running from WOT to idle you will see the MAF reading rise & fall in line with good known values. The PCM substitutes a...