01 with a DD misfires only when parking brake is set

Discussion in 'Volvo Forum' started by milskired, Nov 17, 2014.

  1. milskired

    milskired Road Train Member

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    Jul 20, 2007
    Plainfield, IL
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    Anybody have any ideas on this? The truck has a slight miss to it when the parking brake is set. If I release the parking brake, it's gone immediately. Is there any sensors or switches I should be looking for? This is really bugging me since it's super cold out. I pull the trailer supply to keep it from missing at idle but I can't high idle then. Any ideas? Truck runs fine and does not miss when driving or anything. Only when brake is set.
     
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  3. Skate-Board

    Skate-Board Road Train Member

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    Aug 9, 2014
    Merrimack, NH
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    That is freaking weird. I would stop in at a dealer and just walk in and ask the service manager. I say walk in instead of calling. I've found they are much more willing to talk and even call another mechanic in. If they do say it's definitely this or that a $20 tip goes over well.
     
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  4. Passin Thru

    Passin Thru Road Train Member

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    Mar 8, 2007
    VA
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    Sounds like a wire is rubbing against another connected to 1 cylinder on the engine brake. Hear of weirder things. Had a 290 Cummins the Jake brake would stay on until you pressed the accelerator and it would backfire.
     
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