MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

HX: Evaporative Emission (EVAP) System

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,231 / 6,619HTML edition
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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.

Yes No GO to HX53 . RETURN the vehicle to the customer.

Original table alignment retained · Scroll horizontally if needed

HX53 CHECK FOR CORRECT PCM OPERATION

• Disconnect all the PCM connectors.

• Visually inspect for:

◾ pushed out pins ◾ corrosion

• Connect all the PCM connectors and make sure they seat correctly.

• Carry out the PCM self-test.

• Verify the concern is still present.

Is the concern still present?

Yes

No

INSTALL a new PCM. REFER to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM), Programming the VID Block for a Replacement PCM.

The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.

Source reference 5231

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.