The engine may have a misfire, hesitation, and/or run roughly – notably after a service and/or ignition wire replacement. If after recent ignition wire replacement, the cause can be misrouted ignition wires. The wires from the distributor to the valve cover must be routed correctly to avoid interference and induction crossfire. Verify all clips are used to secure and separate ignition wires.
Misfire, Hesitation, Rough Running from Engine, Notably After Ignition Wire Replacement on Ford E-250
Average mileage: 190,000 (190,000–190,000)
Engines affected: 4.9L 6 Cylinder, 5.0L V8
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was driving yesterday and all of a sudden my 91 ford van stared misfiring an hesitating. I'm glad I made it home.