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'99 F150 4.2L Backfire through Intake
Posted to Technical Discussion Forum on 9/8/2014 20 Replies

I have a 1999 Ford F150 with the 4.2L engine in it. The engine was rebuilt less that 4000 miles ago by a separate shop. The spark plug wires are installed correctly, The spark plugs, wires, and coil are new. The EGR ports and intake have been cleaned and the v... Login to read more.

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car Vehicle Data

1999 Ford F-150 4.2L

Engine4.2 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1999 Ford F-150 4.2L

Engine4.2 L
Trans4-speed Automatic (Electronic)