2012 Volvo Vnm D13 rough idle

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Parm123456, May 14, 2022.

  1. Parm123456

    Parm123456 Bobtail Member

    Aug 15, 2021

    I have a 2012 Volvo Vnm with the d13 and a 10 speed Eaton. I have been having a rough idle problem with it for the last 6 months. The mechanics have replaced a lot, the turbo, egr cooler, dpf, turbo actuator, exhaust manifold. I’m tired of them just throwing parts at the truck. When I start the truck and it’s cold, the truck’s idle will go up and down it’s a 6 second interval.

    Video of the tachometer

    Video of under the hood

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