Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P0139: Diagnostic Procedure Chart (Steps 1-5)

Courtesy of MAZDA MOTORS CORP.

Fig 2: DTC P0139: Diagnostic Procedure Chart (Steps 6-14)

Courtesy of MAZDA MOTORS CORP.

Fig 1: DTC P0139: Diagnostic Procedure Chart (Steps 1-6)

Courtesy of MAZDA MOTORS CORP.

Fig 2: DTC P0139: Diagnostic Procedure Chart (Steps 7-14)

Courtesy of MAZDA MOTORS CORP.