A MAF V PID (MAF PID) reading less than 0.23 volts (Refer to equivalent grams/second chart in GO to Pinpoint Test DC ) in continuous memory or key ON and engine running indicates a hard fault. P0103 Error Description Mass Air Flow (MAF) Circuit High Input The MAF sensor circuit is ...
In the initial stages of engine operation, the PCM checks all three components for common electrical issues and, depending on the year and model of the vehicle, will set a variety of fault codes—for example, P0443 for a CPS open or short condition and P0446 for a CVS open or short co...