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p0428

  1. Help with GDE install PLEASE

    RAM 1500 Diesel General Discussion
    Firstly, amazing product. I have my old truck back again However I am having an issue post install hoping easy fix for. I purchased GDE RAM 1500 on 1/10/19. However I just did my install today. (AEM update in May 2019) Followed instructions and truck driving great however it has triggered CEL...
  2. Internal PCM Failure

    RAM 1500 Diesel Electrical
    After approximately 26,000 relatively trouble free miles, I got code P0428 (catalyst temp sensor) one week ago. The truck then said the exhaust filter was 100% full see dealer and service electronic throttle control which prompted limp mode. I took it to the dealer and the sensor has now been...
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