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I live in NJ and purchased this Grand Cherokee Limited from Chrysler Jeep Dodge of Paramus on route 4. I never felt good about that place I think they ripped me off for service that should have been done under warrantee. They replaced the catalytic converter at about 15K miles and I have had intermittent problems with the DEF system ever since. The car now has 30 K miles and I brought it back to Precision on 23 in Butler for the Auto Park recall I had to sit there for about 4 hours while they downloaded the software.
Two days later the check engine light came on and it said to bring it back to the dealer to service the DEF system a message I have seen many times before the cat was replaced. I brought it back to Precision and they replaced the DEF injector the error was P20E8 Reductant Pressure too low. They said the injector had dried DEF but I never saw it they replaced the injector. Two days later the the check engine light came on and the error code is the same P20E8 I got it checked at Auto Zone and ordered a tester so I can see the messages myself. The Jeep is with Precision now updates to follow.
Two days later the check engine light came on and it said to bring it back to the dealer to service the DEF system a message I have seen many times before the cat was replaced. I brought it back to Precision and they replaced the DEF injector the error was P20E8 Reductant Pressure too low. They said the injector had dried DEF but I never saw it they replaced the injector. Two days later the the check engine light came on and the error code is the same P20E8 I got it checked at Auto Zone and ordered a tester so I can see the messages myself. The Jeep is with Precision now updates to follow.