When does the exhaust back flow valve move to the open position? Mine is closed and I've checked it thru all engine temps. Another post, with a pic of a closed exhaust valve, said that if it stayed closed the engine would be a dog and have no power. I have plenty of power, just occasional loss of power, which could be something else-still working bugs out. One issue at a time.
Exhaust back flow valve position 2013 Maxxforce 11
Discussion in 'International Forum' started by joejffrs, Dec 1, 2018.
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