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Home › Dodge and Ram › 2004 › Caravan SXT › Repair and Diagnosis › Engine Performance › System › Powertrain Diagnostic Procedures › Diagnostic Procedures › DRIVEABILITY - NGC - Diagnostic Tests › P0133-O2 Sensor 1/1 Slow Response, P0139-O2 Sensor 1/2 Slow Response › Possible Causes

Possible Causes

  1. GOOD TRIP EQUAL TO ZERO
  2. EXHAUST LEAK
  3. O2 SIGNAL CIRCUIT
  4. O2 RETURN CIRCUIT
  5. O2 SENSOR
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