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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 21, 2022
International Automotive Technicians' Network (iATN) - Members Only
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2002 Ford F-250 Super Duty Lariat 7.3L Misfire VIN: 1FTNX21F12
Hope you can give me some insight. The pickup run great at idle, but you get about 40 to 50 miles at transmission up shift sometime it will miss. When it misses it feels just like a spark plug wire miss fire. (yes I known it does not have plug wires) Go up... Trouble codes: P0470 (Exhaust Back Pressure Sensor Circuit Current), P1248 (Turbo Boost Pressure Not Detected Current), P1832 (Read Codes), P1876 (Read Codes), U1027 (Standard Communication Protocol -Invalid Or Missing Data For Engine RPM Current), U1262 (Standard Communication Protocol Communication Bus Malfunction Current)
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