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International Automotive Technicians Network
Re: 2005 Ford F150 Cyl3 Misfire
Posted to Technical Discussion Forum on 2/5/2020

we had one of these the day, that was running very rich, exhaust full of raw gas, it was the fuel rail pressure sensor, it has a vacuum line hooked to it, pull the line off and start the truck, see if it is leaking through.

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