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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 22, 2014
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Open Help Requests for Ford
Help Request Answers
2001 Ford Excursion XLT 6.8L MIL Lamp on
sorry for the limited info. this is the problem. vehicle came in with 0420 code. checked both front o2 sensors and theyre fine. went to check rear sensor and it wasn't there. found the connector from the vehicle hanging by itself, but no sensor or even a bung ... Trouble codes: P0420 (catalyst effeciency bank 1)

Fixes & Summaries for Ford
Fix/Summary Answers
2008 Ford F-250 Super Duty XLT 6.4L Dpf VIN: 1FTSW21R38
Thanks for all your help.. When a DPF is cleaned or replaced the DPF pressure must be reset with the IDS. (found in the tools menu). After we cleaned the DPF the particulate filter resistance was much lower than the learned value that was saved in the compute...
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