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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. J

    tps code P2121

    I have an 07 2500. I keep getting code P2121. I replaced the tps. I still got the same code. What does the code mean and any suggestions on what to look for.
  2. J

    Engine/Transmission (1998.5 - 2002) code po121 and truck wont shut off

    I was going down the road lost TPS and pulled truck over. Shut ignition off but truck is still running. Use scanner to verify that I had no TPS. Someone told me that the injection pump in shorting out. Only happens after you drive it for a hour. Any suggestions what it might be.
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