Engine Trouble 2006 W-22 8.1
Left for Florida last night and about a hour into the trip engine started to backfire and hesitated while going up hills. Ran fine on flat road going back home but engine missed a lot. Coach is 10 yea...
Forum Discussion
Painter3066 wrote:
Left for Florida last night and about a hour into the trip engine started to backfire and hesitated while going up hills. Ran fine on flat road going back home but engine missed a lot. Coach is 10 years old and I never have changed spark plugs or wires. I have 43000 miles on it any thoughts?
backfiring while underload(going up hill etc) sounds exactly like bad plug wires and or plugs for sure
