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.
HU7 CHECK THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM
• Check for any PCV system leaks.
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. Clear the PCM DTCs. REPEAT the self-test. | For EcoSport, Escape/Kuga, Explorer 2.3L, F-150 2.7L, F-150 5.0L, Fiesta, Focus, Fusion, KA, MKC, MKT 2.0L, MKX, MKZ, Mustang, Taurus 2.0L, and Transit Connect, GO to HU8 . For all others, GO to HU27 . |
HU8 CHECK THE THROTTLE BODY FOR EXCESSIVE WEAR
• Ignition OFF.
• Remove the throttle body assembly. Refer to the Workshop Manual Section 303-04, Fuel Charging and Controls for removal and inspection.
• Check the following:
◾ excessive wear or grooving in the throttle bore ◾ misaligned or worn throttle plate ◾ excessive gap between the throttle bore and plate
Are any concerns present?
Yes | No |
|---|---|
INSTALL a new throttle body assembly. REFER to the Workshop Manual Section 303- 04, Fuel Charging and Controls. | The concern is elsewhere. RETURN to Section 3, No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index, to |
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.