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Thread: 06 5.9 cummins injector balance strange results

  1. #1
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    Default 06 5.9 cummins injector balance strange results

    so I went and tried an injector balance test to see the state of my injectors after a couple codes popped up and went away. got some strange results and i'm sure I'm doing something wrong. I see that numbers should be + or - between 0 and 10.

    balrcyl1 - 217 mm3
    balrcly2- -1919 mm3
    balrcyl3 - 1347 mm3
    balrcyl4 - 2046 mm3
    balrcyl5 - 1312 mm3
    balrcyl6 - 817 mm3

    this was at 1800 rpm at 47 mph

    I have no idea whats up with these readings

  2. #2
    Lifetime Member Move'n Up's Avatar
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    Check at Idle and if you have an automatic also in Drive with your foot on the brake (not moving forward)
    2006 Ram 2500 4x4, 5.9 CTD, Laramie, QC
    Fully Built 48RE, Billet Flex Plate, Triple Disc TC, 62/65 HE351cw
    2017 Corvette 3LZ Z06 M7 with Z07 Package

  3. #3
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    Quote Originally Posted by Move'n Up View Post
    Check at Idle and if you have an automatic also in Drive with your foot on the brake (not moving forward)
    Tried that. About the same result. One said 1 for a few seconds

  4. #4
    Lifetime Member Move'n Up's Avatar
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    You should see a completely different result vs what you show in your first post.
    2006 Ram 2500 4x4, 5.9 CTD, Laramie, QC
    Fully Built 48RE, Billet Flex Plate, Triple Disc TC, 62/65 HE351cw
    2017 Corvette 3LZ Z06 M7 with Z07 Package

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    I know I have to be looking at or doing something wrongClick image for larger version. 

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  6. #6
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    Ran the test again.

    -1
    -4
    4
    0
    -2
    3

  7. #7
    Lifetime Member Move'n Up's Avatar
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    Quote Originally Posted by chucknms View Post
    Ran the test again.

    -1
    -4
    4
    0
    -2
    3
    You have injectors going out. The +4 is shot and the +3 isn't far behind.
    Was that at idle or in gear (if you have an automatic)?

    Also keep in mind; EFI Live balance rates logging will show you the Cylinder number, BALRCYLx, based on Firing Order which is 1-5-3-6-2-4 for the 5.9 Cummins as viewed from the front of the engine.

    Here's an example; BARCYL6 is the 4th cylinder from the front.
    Last edited by Move'n Up; August 31st, 2017 at 01:35 AM.
    2006 Ram 2500 4x4, 5.9 CTD, Laramie, QC
    Fully Built 48RE, Billet Flex Plate, Triple Disc TC, 62/65 HE351cw
    2017 Corvette 3LZ Z06 M7 with Z07 Package

  8. #8
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    Yeah I knew they were bad as soon as I saw the results. I do have an auto and that was in drive with my foot on the brake. What blows is the truck runs perfect and doesn't smoke.

  9. #9
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    What are the numbers they are reading when testing the injectors? I have 3 that read high I have a 4, 3 and a 2.5

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