P0071 P0071 code definition Ambient Air Temperature Sensor Range/Performance Issue Depending on the type of vehicle these are some related OBD-II Diagnostic Trouble Codes: P0070: Ambient Air Temperature Sensor Circuit P0072: Ambient Air Temperature Sensor Circuit Low Input P0073: Ambient...
Hi. There could be a problem with the sensor that was replace being faulty or defective causing you not to pass emission. There are also are drive cycles that the Pcm has to go through to properly clear the memory...
