Carbon buildup at top of piston may cause noise on Dodge Ram Wagon B250

One the 3.9L V6 and 5.9L V8 the carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem
The nation’s largest network of independent repair shops certified for expert training, quality work and fair pricing
Viewing
1
-
0
of
0
problem details