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Home >> Isuzu >> 2002 >> Axiom Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - 3.2L >> Diagnostic Tests >> DTC P1153: Bank 2 Ho2S No. 1 Circuit - Insufficient Switching >> Diagnostic Aids

Diagnostic Aids

An intermittent problem can be caused by misrouted harness, rubbed-through wire insulation or broken wire inside insulation of HO2S heater circuit. An open or short in HO2S ignition voltage or ground circuits may cause DTC to set. If connections and wiring are okay and DTC P1153 continues to reset, replace Bank 2 HO2S No. 1. Check scan tool FAILURE RECORDS to determine mileage since last DTC was set.

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