![]() ![]() ![]() ![]() The BUICK Regal Mass Air Flow sensor is usually If, during a self-test, the comparison of the TP sensor and MAF sensor readings are not consistent with the calibrated load values, the test fails and a diagnostic trouble code is stored in continuous memory. P0068 DODGE Description The Powertrain Control Module ( PCM) monitors a vehicle operation rationality check by comparing Throttle Position (TP) to Mass Air Flow (MAF) readings. When is the code detected? The Powertrain Control Module (PCM) monitors operation rationality check by comparing sensed throttle position to mass air flow readings Faulty Manifold Absolute Pressure (MAP) sensor Manifold Absolute Pressure (MAP) poor electrcial connection Mass Air Flow (MAF) poor electrcial connection Engine rough idle Possible causes - Large vacuum leak P0068 Symptoms - Engine Light ON (or Service Engine Soon Warning Light) ![]()
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