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Home >> Honda >> 2000 >> CR-V SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Trouble Code Identification >> DTC P0140: No Rear Ho2S Activity Detected >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2000 Isuzu Rodeo and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.

Check for poor connection at PCM. Inspect harness connectors for backed-out terminals, improper mating, broken locks, improperly formed or damaged terminals and poor terminal connection. If connections and harness appear okay, observe HO2S display on scan tool while moving all related harnesses and connectors. A change in scan tool display indicates fault location. Check rear HO2S heater operation.

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