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.
EM22 EVAP SYSTEM CONCERN: PRELIMINARY CHECKS
• Check the following:
◾ fuel filler cap (if equipped) ◾ capless fuel tank filler pipe (if equipped) ◾ EVAP system lines and hoses for correct connections, damage or blockage ◾ fuel vapor storage canister damage
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. After any repair, GO to EM25 . | GO to EM23 . |
EM23 CARRY OUT THE PCM QUICK TEST
• Carry out the PCM Quick Test to access any PCM DTCs. For the procedure information, refer to Section 3 , Symptom Charts.
Is a concern present?
Yes | No |
|---|---|
FOLLOW the Section 3 Quick Test direction. After any repair, GO to EM25 . | GO to EM24 . |
EM24 EVAP SYSTEM CHECK
• Check the EVAP system for leaks. GO to Pinpoint Test HX and follow the pinpoint test direction.
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. After any repair, GO to EM25 . | VERIFY the test step results. If all the test steps are OK, GO to Pinpoint Test Z . For additional symptoms, RETURN to Section 3 , Symptoms Charts for further direction. After any repair, GO to EM25 . |
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.