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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 1, 2023
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Open Help Requests for Ford
Help Request Answers
2016 Ford F-550 Super Duty XLT 6.8L MIL Lamp on VIN: 1FD0X5HY0G
hi, we have this fleet boom truck that we put a new engine in. now when you drive it under heavy load the check engine light flashes then goes off and sets a p0300.the vehicle has ran ok and we cannot find any misfires. we have replaced all of the oxygen s... Trouble codes: P0300

Fixes & Summaries for Ford
Fix/Summary Answers
2013 Ford F-150 FX4 3.5L Excessive Emissions, MIL Lamp on VIN: 1FTFW1ET5D
First of all, thank you for the replies. Sorry for the late closing. I ended up sending it to the dealership and they have yet to fix it. I isolated map sensors and evap system with the same failure results. I originally did use oem parts rather than throwing ... Trouble codes: P0087 (Fuel rail psi low), P0463 (Fuel level A high), P0172 (Rich B1), P0175 (Rich B2).
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