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.
Symptom Charts 3-13
No Diagnostic Trouble Codes (DTCs) Present Symptom
Charts
(Continued)
SYSTEM/COMPONENT | REFERENCE (Section 5 Pinpoint Test unless noted) |
|---|---|
Speedometer/Odometer Inoperative | |
Boost Gauge | For charge air cooler (CAC) system concerns, GO to Pinpoint Test KP. |
Fuel Gauge Inoperative | |
Instrumentation | REFER to the Workshop Manual Section 413-01, Instrumentation, Message Center, And Warning Chimes. |
Chart 15
— Oil System Concerns: High Oil Consumption, Leaks
SYSTEM/COMPONENT | REFERENCE (Section 5 Pinpoint Test unless noted) |
|---|---|
Positive Crankcase Ventilation (PCV) System | GO to Pinpoint Test HG. |
Base Engine | REFER to the Workshop Manual Section 303-00, Engine System, Diagnosis And Testing to continue diagnosis. |
Additional Checks | Check for external oil leaks and correct oil viscosity. Check the turbocharger system for oil leaks. |
Chart 16
— Cooling System Concerns: Electric Cooling Fan Does Not Operate (Low, High or Variable Speed), Cooling Fan Clutch Does Not Operate
SYSTEM/COMPONENT | REFERENCE (Section 5 Pinpoint Test unless noted) |
|---|---|
Electric Cooling Fan | For Focus 1.0L GTDI charge air cooler (CAC) cooling fan, GO to Pinpoint Test KF. For Escape/Kuga, Fiesta 1.6L GTDI, Focus, and Transit Connect, GO to Pinpoint Test KN. For all others, GO to Pinpoint Test KF. |
Cooling Fan Clutch | GO to Pinpoint Test HV. |
Cooling System | REFER to the Workshop Manual Section 303-03, Engine Cooling to diagnose the cooling system concern. |
Chart 17
— Cooling System Concerns: Electric Cooling Fan Always Runs
NOTE: This chart is only intended to diagnose an electric cooling fan that always runs with a cool engine and the A/C and defroster off.
SYSTEM/COMPONENT | REFERENCE (Section 5 Pinpoint Test unless noted) |
|---|---|
Cooling Fan | For Escape/Kuga, Fiesta 1.6L GTDI, Focus, and Transit Connect, GO to Pinpoint Test KN. For all others, GO to Pinpoint Test KF. |
Cooling System |
Chart 18
— Exhaust System Concerns: Visible Smoke
2016 Powertrain Control/Emissions Diagnosis, Gasoline Engines, 3/2015
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.