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  1. D

    Cat 420F no throttle response with 2 active codes

    There’s was a ground wire short and it killed a sensor
  2. D

    Cat 420F no throttle response with 2 active codes

    Yeah I got it all figured out thank you
  3. D

    Cat 420F no throttle response with 2 active codes

    And my aps supply is getting 9 volts
  4. D

    Cat 420F no throttle response with 2 active codes

    I think I’ve found the issue being my fuel pressure sensor. I won’t be able to check anything until Wednesday then il send some pics for ya. Im usually on rail so I’ve been using the rear throttle so adding to those other codes every few days my machines has been going into limp throwing fuel...
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    Cat 420F no throttle response with 2 active codes

    With the CAT pedal in I get 91-4 and limp mode but on the other hand the 558-2 code switches to logged
  6. D

    Cat 420F no throttle response with 2 active codes

    It does not go away if I pull the throttle plug it goes into limp mode and the code 91-3 comes up. The pedal that was in the machine before was a Kongsberg Bas and it worked fine until a couple of weeks ago. The new pedal was bought from Cat. We have the cat tool we just don’t own the license to...
  7. D

    Cat 420F no throttle response with 2 active codes

    I tried changing the pedal and when I plugged it in I got the red warning light
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