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  1. I

    Looking for leaking injector on a lb7 --WHAT THE?

    the diesel in the oil is what made the oil shoot everywhere. I did not realize that much diesel would get in the oil in just 7 miles of driving. Problem was a cracked injector. thanks all
  2. I

    Looking for leaking injector on a lb7 --WHAT THE?

    I drained the oil again, it had more diesel than I thought, it should be easy to find a leak this big. Will post if the oil calms down or not when I run it again. thanks
  3. I

    Looking for leaking injector on a lb7 --WHAT THE?

    Yes lower is still on. I have never seen this either.
  4. I

    Looking for leaking injector on a lb7 --WHAT THE?

    Hi Guys, I have the top cover off and am looking for a leaking injector or return rail. I have done this on 3 other trucks, But this truck is different. It is shooting oil everywhere! All over the outside of the engine, all over the injectors, it is very hard to see a leaking anything with...
    • idagon
    • Thread
    • Replies: 8
    • Forum: LB7
  5. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    UPDATE: After doing a harness wiggle test and finding nothing. I took it on a long trip and noticed that the insight does in fact move to very high readings as well as the digital gauge BUT... After the trucks stock temp digital gauge goes to ---- and stops showing a reading, the insight shows...
  6. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    Ok maybe it is the gauge, can someone verify that a bad factory digital readout in the instrument cluster can throw a P0712 sensor low code? I do not believe so. this is not a gauge like the older needle gauge used before 2007.
  7. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    Yes I am sure the insight is reading the trans temp. Both the insight and the dash digital display show the exact same temp readings until the dash goes haywire. I agree with the wiring problem, so I replaced the harness inside the tranny. Ive done a wiggle test with the wiring under the truck...
  8. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    the insight gauge stays normal
  9. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    the gauge should not set the code should it Mike?
  10. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    the edge insight always has the correct temp but the digital display in the speedo is the one that moves. if I do it 2 to 3 times in a row i get a code
  11. I

    2009 Duramax Transmission Temp Climbs very fast when stopping aggressively

    Hi All, my 09 Duramax has normal trans temps when driving, pulling, even going over a rough bumpy road. But when I do a fairly aggressive stop the temp climbs very rapidly. After coming to a stop it will sometimes continue to climb until temp reads ----. Changed harness in pan, changed pressure...
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