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Washed my truck now it will not run

Discussion in 'GM Diesel & DuraMax' started by fdaugherty, Oct 15, 2012.

  1. fdaugherty

    fdaugherty New Member

    I have a 2007 3500 Duramax. I have replaced fuel filter and and had it running yesterday. Washed the exterior and radiator now it will not start. Any ideas what to do.
  2. Pikey

    Pikey Moderator Staff Member ROTM Winner 1000 Posts

    Did you was under the hood? does it crank?
  3. fdaugherty

    fdaugherty New Member

    Hood was open while I washed radiator. I check most of the connections I could access and all were dry. I also checked all fuses and drained fuel filter again to make sure. Starter turns over but pistons will not fire at all.
  4. Pikey

    Pikey Moderator Staff Member ROTM Winner 1000 Posts

    Only thing that I can suggest is to go to a parts store, autozone/oreillys/advance, and borrow a scan tool. You can plug it in and find out if you have any codes stored, that may help pin point the issue. Doing a few minutes of research I found a few instances of bad cam sensors (no longer waterproof) getting wet during washing and causing a no start issue with the duramax. There were reports of of the pins in the cam sensor connectors not making contact after being touched to dry the motor off. A adjustment of the pins in the connector fixed the issue. I am not saying that this is your issue. I just found a few examples of that. Scan it and let us know what you find.
  5. fdaugherty

    fdaugherty New Member

    Thanks for the suggestion. I will let you know what I find
  6. Pikey

    Pikey Moderator Staff Member ROTM Winner 1000 Posts

    Any new info on this?
  7. fdaugherty

    fdaugherty New Member

    I have not made it to auto zone yet. Used a shot of ether and got it to run but now the service engine light is on. Sounds like I may have a injector out.
  8. Pikey

    Pikey Moderator Staff Member ROTM Winner 1000 Posts

    Ether is a bad idea with a diesel! Use it to many times ans the truck may never start without it. Every time you use it you risk bending the connecting rods just a little. Bend them a little too many times and you have a "ether addicted" truck. not to mention if your glow plugs are hot and that ether hits them it makes for a nice loud explosion. (I have seen it happen)
    Last edited: Oct 17, 2012

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