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Is this a bad pcm ignition driver?
Hello all. Have this truck with a misfire on cylinder 4. At idle, the misfire is constant .Under load ,at higher rpm, the misfire tends to settle. I did a relative compression test with the IDS ,which all cylinders were good. Also , the shop that i am helping,... Login to read more.
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| Engine | 5.4 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1999 Ford F-250 Super Duty XL 5.4L
| Engine | 5.4 L |
| Trans | 4-speed Automatic (Electronic) |
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