4335 fail 1

Discussion in 'Freightliner Forum' started by Benton15, May 25, 2021.

  1. Benton15

    Benton15 Bobtail Member

    3
    0
    May 18, 2021
    0
    I’m getting code 4335 fail 1. I replaced the air pressure limited valve. Changed out new air lines and small filters to def pump and metering unit. I’m getting air to the air pressure limited valve but it’s not going past it to the def pump or metering unit. Any ideas?
     
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