What Does Engine Code P1101 Mean?
What Does Engine Code P1101 Mean? What does Engine code p1101 mean? Error code P1101 is set when the Powertrain Control Module (PCM) has issues executing the self-test on the Mass Air Flow Sensor. In other words, when the Powertrain Control Module (PCM) identifies a malfunction in the Mass Air Flow (MAF) sensor system, this