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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 4, 2008
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for Ford
Help Request Answers
2002 Ford F-250 Super Duty Lariat 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTNW21L62
I have this truck here that also happens to be a company vehicle so unfortunatly i have no time to work on it but it also needs to be done yesterday. It came in idleing rough with a cel on for cyl 5 misfore and bank 2 lean. Test drove vehicle and noticed it ha... Trouble codes: P0175 (System rich bank 2), P0305 (Misfire cyl 5)

Fixes & Summaries for Ford
Fix/Summary Answers
1995 Ford E-150 Econoline 4.9L Poor Idle Quality, Poor Fuel Economy VIN: 1FTEE14Y4S
Well thank you everyone for your great advice. After many many hours of testing, I performed a leakdown check on the cylinders, found the the rings to be leaking enough that on the intake stroke, to be pulling air from the crankcase into the cylinder, therfor ... Trouble codes: 136 (No EGO HO2S-1 Switch - Lean Exhaust bank 2), 172 (EGO Not Switching Lean Exhaust - Bank 1).
2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality VIN: 1FTPX14574
well this truck is fixed. luckily I did not throw a fuel pump at it . I could not prove it was failing! AS it turned out it was the fuel pump driver module failing to provide power to pump. the pump does not run on full power all the time and intermittently wo... Trouble codes: 191.
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