Reprogram Ford to Right Misfire Condition

Some 2011-2016 Ford F-Super Duty 250-450 trucks equipped with a 6.7L diesel engine and built on or before Feb. 23, 2016, may exhibit a runs-rough/misfire condition only during the exhaust regeneration process. This condition typically occurs on light throttle tip-in between 40-70 mph and will not set DTCs.

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Feb. 8, 2023
Photo Credit: Mitchell 1
Location of exhaust valves on the 6.7L diesel cylinder head.

Location of exhaust valves on the 6.7L diesel cylinder head.

Some 2011-2016 Ford F-Super Duty 250-450 trucks equipped with a 6.7L diesel engine and built on or before Feb. 23, 2016, may exhibit a runs-rough/misfire condition only during the exhaust regeneration process. This condition typically occurs on light throttle tip-in between 40-70 mph and will not set DTCs. The concern may be intermittent and a knocking noise may be present during the concern.

Reprogram the PCM to the latest calibration using IDS release 102.03 or higher. Note: If the customer says that the message center displayed a Cleaning Exhaust Filter message prior to the concern, remove the left cylinder head and replace all eight exhaust valves and valve seals. 

About the Author

Mike Mavrigian
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Mike Mavrigian

Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of  specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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