1. Problem Verification

1. Connect a Hi-Scan (Pro) to the data link connector.
2. Start the engine and monitor the MAFS signals.
   • Refer to DTC P0101  SPECIFICATIONS   for more information. 

Is signal within specification? 

No: Go to next step.

Yes: Problem is intermittent or was repaired and engine control module memory was not cleared. Proceed with intermittent problem procedure.