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Home >> Jeep >> 1990 >> Wagoneer >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.0L >> Code Charts >> Fault 1002: O2 Heater Circuit Low

Fault 1002: O2 Heater Circuit Low

Fig 1: Fault 1002: Circuit Diagram O2 Heater Circuit Low

G90B17815

Fig 2: Fault 1002: Flow Chart O2 Heater Circuit Low

G90C17816

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