Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
For Escape/Kuga 2.5L, Fusion 2.5L, and Transit Connect 2.5L, GO to HD12 . For all others, GO to HD14 . | REPAIR the vacuum system. Clear the PCM DTCs. REPEAT the self-test. |
HD12 MONITOR THE EEGR SYSTEM RELATED PIDS
• Ignition ON, engine running.
• Bring the engine to normal operating temperature.
• Access the PCM and monitor the EGRMC1F (MODE), EGRMC2F (MODE), EGRMC3F (MODE) and EGRMC4F (MODE) PIDs.
• Access the PCM and monitor the MAP (PRESS) PID.
• Record the PID values with the engine idling.
• Ignition ON, engine OFF.
• Record the PID values with the engine off.
• Compare the recorded PID values to the typical reference values in Section 6 , Reference Values.
Are any values out of range?
Yes | No |
|---|---|
GO to Pinpoint Test KD and DIAGNOSE the EGR system. | GO to HD13 . |
HD13 RECREATE THE MISFIRE SYMPTOM WITH EEGR SYSTEM DISABLED
Note: The PCM may store EGR system related DTCs during this procedure.
Note: To recreate the original conditions that set the DTC or caused the symptom, the vehicle may require driving.
• Ignition OFF.
• EEGR Assembly connector disconnected.
• Access the misfire freeze frame data (if available) and record the operating conditions.
• Obtain information from the customer information worksheet or any other available data from the customer.
• Recreate the misfire symptom using the freeze frame and customer information.
Can the symptom be recreated?
Yes | No |
|---|---|
GO to HD14 . | REMOVE and INSPECT the EEGR for signs of contamination, unusual wear, carbon deposits, binding or other damage. REFER to the Workshop Manual Section 303-08, Engine Emission Control for more EGR system information. REPAIR as necessary. Clear the PCM DTCs. REPEAT the self-test. |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.