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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (2.9L Pcm 2 - DTCS P0277-00 To P0686-00) >> DTC Troubleshooting >> P05FC-00-Cold Start Fuel Pressure Performance Bank 2 >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OTHER DTCS 
    1. Refer to the recorded DTCs.

      Are there any DTCs active or pending?

      Yes 

      • Perform the applicable diagnostic procedure(s). Refer to DTC INDEX .

      No 

      • Go To  2
  2. FUEL RAIL PRESSURE SENSOR 2 AND CHECK PCM-2 
    1. Check for loose, damaged or corroded connections on the Fuel Rail Pressure Sensor 2 or on the PCM-2.

      Are there any loose or damaged connections?

      Yes 

      No 

      • Go To  3
  3. CHECK WIRING BETWEEN FUEL RAIL PRESSURE SENSOR 2 (K162) AND PCM-2 FOR AN OPEN/HIGH RESISTANCE 
    1. Check the wiring for an open circuit or high resistance between the Fuel Rail Pressure Sensor 2 (K162) and PIN 40 of the connector on the engine side of the PCM-2.

      Is there a high resistance or open condition in the wiring?

      Yes 

      • Repair the open circuit or high resistance in the wiring.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK WIRING BETWEEN FUEL RAIL PRESSURE SENSOR 2 (K162) AND PCM-2 FOR A SHORT 
    1. Check for a short circuit in the wiring between the Fuel Rail Pressure Sensor 2 (K162) and PIN 40 of the connector on the motor side of the PCM-2.

      Is there a short circuit in the wiring?

      Yes 

      No 

      • Go To  5
  5. CHECK FUEL RAIL PRESSURE SENSOR 2 OPERATION 
    1. Check that the Fuel Rail Pressure Sensor 2 is working correctly.

      Is the operation of the Fuel Rail Pressure Sensor 2 incorrect?

      Yes 

      No 

      • Go To  6
  6. CHECK HIGH PRESSURE FUEL PUMP 2 OPERATION 
    1. Check that the High Pressure Fuel Pump 2 is working correctly.

      High Pressure Fuel Pump 2 not working correctly

      Yes 

      • End of diagnosis.

      No