Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1987CUTAWAY 6.9 1REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMIGNITION SYSTEM - TFI-IVTESTINGTFI-IV IGNITION MODULENOTES
1987 Ford Cutaway 6.9 1
TFI-IV Ignition Module: Notes
1987 Ford Cutaway 6.9 1SECTION Notes
- Disconnect "Spout" in-line connector at TFI-IV module. Connect Spark Tester (D81P-6666-A) between ignition coil and engine ground. See Figure. Crank engine and check for spark at tester. If no spark occurs, perform IGNITION COIL PRIMARY RESISTANCE test.
- If spark occurs, check Profile Ignition Pick-Up (PIP) and ignition ground wires for continuity. Repair as necessary. If these items are okay, go to appropriate ELECTRONIC ENGINE CONTROL IV article in COMPUTERIZED ENGINE CONTROL section listed below.
RENDER: 1.0x
NO RELATED
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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.