Mine started acting like that last year, the final fix was to suck junk out of the exhaust vent with a shop vac. Works great now. Give it a try.
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Butch and Kathy
2016 3160RL Legacy, Sailun S637, Centramatic Balancers, 2-T105s, Amish Refrigeration, ARPrv, SoftStartRV, FlexArmor roof
2016 F350 6.7L SRW
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