The engine may develop misfires when accelerating up a grade or when carrying a heavy load. This can be from carbon tracking that has developed on the spark plugs causing the plug to not fire (misfire). The engine will run roughly and lose power.
Car Problem Reports
Dodge Neon Carbon tracking on spark plugs may cause misfires
Dodge Neon Problem
Model Year Affected: 1995
Engine Affected: 2.0L 4 Cylinder
Visitor, 1995 Dodge Neon, 2.0L 4 Cylinder
have gone through three sets of plugs in a 6 month spand plugs become carbon coded. then begin to misfire. has caused egr to stick open and show that i have a vaccumm leak. replaced egr leak went away. cleaned plugs replaced wires and set plug gap to 0.35 problem still occurs.