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Home >> Ford >> 2018 >> Focus SEL, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Fuel Charging And Controls - Turbocharger - 1.0L ECOBOOST (92KW/125PS)) >> Diagnosis And Testing >> Turbocharger >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different variant/trim than selected.
NOTE: This article provides mechanical diagnosis of the turbocharger assembly. If there is a MIL illuminated, or a DTC is present, these should be diagnosed prior to performing turbocharger mechanical diagnosis.
  1. For a PCM DTC, REFER to: Electronic Engine Controls . For driveability symptoms without a DTC, Refer to ENGINE CONTROLS - SYMPTOM CHARTS (EXCEPT DIESEL & HYBRID) .
  2. Verify the customer concern.
  3. Visually inspect for obvious signs of mechanical or electrical damage.

    Visual Inspection Chart 

    Mechanical Electrical
    Oil leak(s)
    Coolant leak(s)
    Wastegate actuator
    Wastegate actuator vacuum hose(s)
    Wastegate valve
    Turbocharger housing
    Air Cleaner (ACL) element
    Air Cleaner (ACL) outlet pipe
    Air Cleaner (ACL) intake pipe
    Turbocharger intake tube
    CAC
    CAC intake pipe
    CAC outlet pipe
    Turbocharger oil supply tube
    Turbocharger oil return tube
    Turbocharger coolant supply tube
    Turbocharger coolant return tube
    Wiring harness(es)
    Electrical connector(s)
    Turbocharger control valve
    PCM
  4. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  5. If the concern is not visually evident, verify the symptom and refer to the Diagnostic Tab in the Ford diagnostic equipment.