2003 Ford 3.9L VIN A - Coil Primary Voltage COP Patterns
Resource
Driveability
Electrical
2003 Ford Thunderbird 3.9L (A) 5-spd (5R55S)
P0304 — Cylinder 4 Misfire Detected
Misfire
Scope patterns looking closely at the primary voltage during coil saturation by comparing the cylinder 4 vs cylinder 2.
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