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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 628 (Powertrain Diagnostic Procedures - DRIVEABILITY - NGC Symptoms & Diagnostic Tests (DTCS P0016 To P0563)) >> DRIVEABILITY - NGC - Diagnostic Tests >> P0172-Fuel System 1/1 Rich; P0175-Fuel System 2/1 Rich (Gas - NGC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. GOOD TRIP EQUAL TO ZERO
  2. O2 SENSOR HEATER OPERATION
  3. O2 SENSOR
  4. EVAP PURGE SOLENOID OPERATION
  5. O2 SIGNAL CIRCUIT
  6. O2 RETURN CIRCUIT
  7. MAP SENSOR
  8. ECT SENSOR
  9. ENGINE MECHANICAL PROBLEM
  10. FUEL FILTER/PRESSURE REGULATOR (HIGH)
  11. PCM