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HOMESERVICE MANUALSFORD2005ECONOLINE E150, VAN CARGO, 5.4 LREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - PINPOINT TEST HG: POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM THROUGH PINPOINT TEST JD: CRANKSHAFT POSITION (CKP) SENSOR - (EXCEPT DIESEL & HYBRID)PINPOINT TEST JC: SECONDARY IGNITION (COIL PACK)TEST PROCEDURE
2005 Ford Econoline E150, Van Cargo, 5.4 L

Test Procedure

2005 Ford Econoline E150, Van Cargo, 5.4 LSECTION Test Procedure
  1. JC1 VISUAL INSPECTION OF THE IGNITION SYSTEM 
    • Visually inspect the engine compartment to make sure all coils and spark plug wires are properly and securely connected.
    • Examine all wiring harnesses and connectors for damaged, burned or overheated insulation and loose or broken conditions.
    • Make sure the vehicle battery is in good condition and all accessories are turned off.

    Is a problem indicated? 

    Yes No
    REPAIR as necessary. For Coil pack using engine analyzer.
    GO to  JC2.
    For Coil pack not using engine analyzer.
    GO to  JC11.
  2. JC2 CONNECT THE ENGINE ANALYZER 
    • Obtain an engine analyzer to diagnose concerns in the secondary side of the ignition system.

    Is the engine analyzer connected? 

    Yes No
    GO to  JC3. REPEAT Step JC2.
  3. JC3 CHECK FOR IGNITION PATTERN 
    Fig 1: Identifying Ignition Flat Pattern
    G03878124Courtesy of FORD MOTOR CO.
    • Observe the pattern on a scope while cranking the engine.

    Is the pattern flat, which indicates no spark on all cylinders? 

    Yes No
    Key in OFF position.
    IGN/START/RUN circuit concern.
    CHECK the condition of related fuses/fuse links. If OK, REPAIR the open circuit. If the fuse/fuse link is damaged, CHECK the IGN START/RUN circuit for a short to ground. REPAIR as necessary.    		 GO to  JC4.
  4. JC4 CHECK FOR A NORMAL IGNITION PATTERN 
    NOTE: Spark plugs may be fired more than once per combustion event. Multi-strike operating mode is RPM dependent.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.