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Home >> Dodge and Ram >> 2002 >> Ram Van B2500, Van Cargo, 5.9 Z >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0172: 1/1 O2 Sensor Fuel System Rich Or DTC P0175: 2/1 O2 Sensor Fuel System Rich >> Monitor & Set Conditions

Monitor & Set Conditions

Fuel system rich condition is monitored when engine is running in closed loop, ambient/battery temperature is greater than 20°F (-7°C) and altitude is less than 8000 feet. DTC will be stored in Powertrain Control Module (PCM) memory if PCM multiplies short term compensation by long term adaptive and result is less than expected for 2 trips.

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