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Diagnosis And Testing: Engine: Material

MATERIAL SPECIFICATION

Item Specification
Dye-Lite® Gasoline Engine Oil Leak Detection Dye
164-R3700 (Rotunda)		 -
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil
XO-5W20-QSP (US); Motorcraft® SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalent		 WSS-M2C930-A

There are 2 diagnostic paths that can be followed depending on the type of engine concern. Carry out either Inspection and Verification - Engine Performance or Inspection and Verification - Engine NVH.

Inspection and Verification - Engine Performance 

  1. Verify the customer concern by operating the engine to duplicate the condition.
  2. Visually inspect for obvious signs of mechanical damage. Refer to the following chart.

    Visual Inspection Chart 

    VISUAL INSPECTION CHART

    Mechanical
    • Engine coolant leaks
    • Engine oil leaks
    • Fuel leaks
    • Damaged or severely worn parts
    • Loose mounting bolts, studs and nuts
  3. If the inspection reveals obvious concerns that can be readily identified, repair as necessary.
  4. NOTE: Make sure to use the latest scan tool software release.

    If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).

  5. NOTE: The Vehicle Communication Module (VCM) LED prove out confirms power and ground from the DLC  are provided to the VCM  .

    If the scan tool does not communicate with the VCM  :

    • check the VCM  connection to the vehicle.
    • check the scan tool connection to the VCM  .
    • refer to MODULE COMMUNICATIONS NETWORK , No Power To The Scan Tool, to diagnose no power to the scan tool.
  6. If the scan tool does not communicate with the vehicle:
    • verify the ignition key is in the ON position.
    • verify the scan tool operation with a known good vehicle.
    • refer to MODULE COMMUNICATIONS NETWORK to diagnose no response from the PCM.
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK .
    • If the network test passes, retrieve and record Continuous Memory Diagnostic Trouble Codes (CMDTCs).
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the PCM.
  9. If the DTCs retrieved are related to the concern, refer to MULTIFUNCTION ELECTRONIC MODULES and the INTRODUCTION - GASOLINE MODELS .
  10. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART - ENGINE PERFORMANCE .
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