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Check Engine - DEF problems

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170K views 267 replies 86 participants last post by  John Jeep  
Update: Mine was fixed with a Catilytic Converter replacement. They also replaced a bad DEF pump.and DEF injector that was clogged with DEF chrystals, and drained/cleaned the DEF tank and lines.

I've driven 1000 miles error free so I think I am out.of the woods on this issue.
Hope they solve the problem permanently for you. I have started the process to try to get Jeep to take this car back. Have over 30 days in the shop, and plenty of exhaust filter, DEF, and check engine light problems. I don't think I can afford this car when warranty is out. Plus I get to drive a little Dodge Dart while my $50K car sits in the shop.