We had a new transmission put in our Ram Wagon 2500 a few months ago. (5.2 liter 318). Since then the van bucks and hesitates on the freeway and occasionaly on surface roads. Almost sounds llike engine is backfiring. We have had plugs, wires, etc already replaced. Our mechanic has out the computer on it and it's not showing any codes. They can't get the pproblem to duplicate when they drive it of course and can't figure out what the problem is. Help!
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Thursday, October 16th, 2008 AT 10:47 PM