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Home › Chrysler › 2004 › Pacifica AWD › Repair and Diagnosis › Engine Performance › System › Powertrain Diagnostic Procedures › Diagnostic Procedures › DRIVEABILITY - NGC - Diagnostic Tests › P0032-O2 Sensor 1/1 Heater Circuit High, P0038-O2 Sensor 1/2 Heater Circuit High › Possible Causes

Possible Causes

  1. O2 SENSOR HEATER OPERATION
  2. O2 HEATER ELEMENT
  3. O2 HEATER GROUND CIRCUIT OPEN
  4. O2 SENSOR
  5. O2 HEATER CONTROL SHORTED TO VOLTAGE
  6. O2 HEATER CONTROL CIRCUIT OPEN
  7. PCM
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