Review Of 2018 6.7 Powerstroke Check Engine Light References. When the engine light was on and the def level was low, i couldn't see anymore the exhaust fluid menu in the dashboard. The check engine light was off for a day.
Several things could be causing a check engine light or dtc in your 6.7 powerstroke: Racked up 5k miles really quick (work truck) and now she has the typewriter tick we’ve all read about. Web to reset the check engine light on a 6.7 powerstroke, first you need to access the engine control unit.
