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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (On-Board Diagnostic [Engine Control System L3)) >> DTC P0140: Rear Ho2S Circuit No Activity Detected >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DTC P0140 - Diagnostic Procedure (Steps 1-5)
G01012746Courtesy of MAZDA MOTORS CORP.
Fig 2: DTC P0140 - Diagnostic Procedure (Steps 6-11)
G01012747Courtesy of MAZDA MOTORS CORP.
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