Rough Idle, no codes (085.4L 3valve) Ford F150 Forum Community of Ford Truck Fans
Rough Idle, no codes (085.4L 3valve) Ford F150 Forum Community of Ford Truck Fans . Runs rough at the coast / power point. Failure of the fuel pump driver module usually cuts. 09 5.4 Bad Idle low power, no codes Page 2 Ford Truck Enthusiasts Forums from www.ford-trucks.com When driving my 2004 f 150 and come to a stop sometimes it starts to idle low and skips.when i rev engine it. Runs better under heavy pedal, but you can. Changed the fuel filter, new gas gap.