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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 9, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for Ford
Help Request Answers
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW145X4
Customer called with check engine light flashing and drove over two hour - against advise. Thought for sure cats would be melted down and plugged. So replaced plugs checked coils and injectors ok. Now found 1,2,3,4 dead and 5,6,7,8 firing normally. No exhaust ... Trouble codes: P0304 (Cylinder Misfire), P0308 (Cylinder Misfire)

Fixes & Summaries for Ford
Fix/Summary Answers
2004 Ford F-150 Lariat 5.4L torque converter VIN: 1FTPW12524
Thanks to all the techs that came in and help with your replies, I did like you said and replace the trans fluid with mercon 5 and an anti slip additive.that solve my problem.thanks guys
2004 Ford F-150 Heritage XL 5.4L Poor Idle Quality, MIL Lamp on VIN: 2FDPF17M64
Thank you guys all for taking some time and tried to help me,most every body were saying there is a vacuum leak and some suggested to test and clean the air flow sensor,since my problem was on one bank 1 only i did not suspecect air fow sensor and i had plent... Trouble codes: P1131.
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