06 d12 injector 1 2 3 misfire

Discussion in 'Volvo Forum' started by dustinbrock, Jul 17, 2014.

  1. dustinbrock

    dustinbrock Road Train Member

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    Apr 19, 2012
    saskatoon,sk
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    I bought the truck with a oil leak at rear drivers side on the head. The injector harness infamous leak. The truck started misfiring and threw code for injector 4 5 6 so I got volvo to put a new harness in and do a overhead while it was apart.

    After I took it and it drove fine until I loaded then it started misfiring again and this time injector 1 2 3. The volvo mechanic checked connections and verified continuity and is all well, he said he doesn't really know what it could be.... he said maybe the ecu is buggered.

    Has anyone been through anything like this or have any ideas I can pass on. I told him to test the injectors. He said he will but he doubts it as 1 2 3 would have come up the first time. I also told him to re clean all clips and connections on the outside of the engine incase some oil is sticking in a plug.

    Thanks for your help
     
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  3. dustinbrock

    dustinbrock Road Train Member

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    Apr 19, 2012
    saskatoon,sk
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    Turned out to be the number 2 injector.
     
  4. bravoo67

    bravoo67 Light Load Member

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    Mar 15, 2012
    Brooklyn NY
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    what charging voltage you have on your truck? so many injectors at the same time might by caused by low voltage as well even though the injectors are good
     
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