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2016 Ford F-150 · Repair Cost Breakdown

89,000 miles · category: engine

The case

“CEL came on. Truck shaking at idle, feels like a misfire when accelerating. Code says P0304.”

What it turned out to be

Ignition coil on cylinder 4 failed. Replaced with all 8 coils as a set (recommended on EcoBoost) and full set of plugs.

The repair bill

Total
$685
Parts
$380
Labor
$305

Did you know?

Ford EcoBoost engines run hot — ignition coils typically last only 80-120k miles, half the lifespan of older V8 coils.

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