MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

DV: Throttle Body Assembly Electronic

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,062 / 6,619HTML edition
← Chapter contentsProcedure contents

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.

• Verify the integrity of the positive crankcase ventilation (PCV) system.

Is a concern present?

Yes

No

REPAIR as necessary.

Clear the PCM DTCs. REPEAT the self-test.

GO to DV4 .

DV4 CHECK FOR INTAKE AIR LEAKS

• Ignition ON, engine running.

• Listen for air noise around the mass airflow (MAF) sensor (if equipped) and throttle body assembly.

Is a concern present?

Yes

No

REPAIR as necessary.

Clear the PCM DTCs. REPEAT the self-test.

GO to DV5 .

DV5 CHECK THE THROTTLE BODY

WARNING: SUBSTANTIAL OPENING AND CLOSING TORQUE IS APPLIED BY THIS SYSTEM. TO PREVENT INJURY, BE CAREFUL TO KEEP FINGERS AWAY FROM THROTTLE MECHANISM WHEN ACTUATED.

Note: Make sure the ETB harness connector is connected correctly.

• Ignition OFF.

• Remove the inlet tube from the throttle body.

• Visually inspect the air induction system for obstructions.

• Slowly, push the throttle plate to wide open and release.

• Visually inspect for throttle plate obstructions or engine deposits.

• Check the ETB, the ETBharness and connectors for the following:

◾ damaged housing ◾ damaged connectors ◾ crossed TACM circuits ◾ pushed out pins ◾ corrosion ◾ incorrect connections

Is a concern present?

Yes

No

REPAIR as necessary.

Clear the PCM DTCs. REPEAT the self-test.

For DTC P0068, GO to DV11 .

For all others, GO to DV6 .

Source reference 5062

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.