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7.3 idm

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  • 7.3 idm

    Does anyone know how to check one of these things? It's in a 1996 350. I already checked the wiring through the plug/ground and it all had good continuity and low resistance.

  • #2
    Originally posted by racrguy View Post
    Does anyone know how to check one of these things? It's in a 1996 350. I already checked the wiring through the plug/ground and it all had good continuity and low resistance.
    What's the truck doing?

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    • #3
      Running like shit. Cylinder number 6 not hitting intermittently.

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      • #4
        Originally posted by racrguy View Post
        Running like shit. Cylinder number 6 not hitting intermittently.
        Valve cover gaskets... Thank me later

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        • #5
          Already done, checked the wiring through the entire injector harness to and from the IDM.

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          • #6
            Injectors used to be common, especially if run on anything other than rotella. Granted I'm not a diesel tech, but that what I used to hear about a lot during the late 90s to mid 2000s. After that was mostly the valve cover pass through like stated above.

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            • #7
              It's only had rotella, and brand new injectors, not remans.

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              • #8
                IDMs usually just take a shit and don't run at all.

                Couple of dumb but much needed things

                Make sure grounds and cables are good and clean, IDMs like a serous clean ground

                Check the IDM relay.

                Are you able to run a injector buzz test? Cylinder contribution test?

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                • #9
                  Originally posted by Mysticcobrakilla View Post
                  IDMs usually just take a shit and don't run at all.

                  Couple of dumb but much needed things

                  Make sure grounds and cables are good and clean, IDMs like a serous clean ground

                  Check the IDM relay.

                  Are you able to run a injector buzz test? Cylinder contribution test?
                  I don't have the equipment to run those. All I've got is a multimeter lol

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                  • #10
                    Did you do the uvc harnesses at the time of the gaskets? I can test the truck too
                    Ring and pinion specialist

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                    • #11
                      I can almost guarantee it's not the idm too
                      Ring and pinion specialist

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                      • #12
                        If you can bring it to mansfield, I'll scan it and buzz test it

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                        • #13
                          The gaskets came with new harnesses. I didn't change the plug on the main harness side, but everything under the valve covers is new.
                          Last edited by racrguy; 04-20-2014, 07:47 PM.

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                          • #14
                            where is the truck?
                            Ring and pinion specialist

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                            • #15
                              Originally posted by greenbullitt View Post
                              where is the truck?
                              on South Lilian, down the street from Peacocks, if I was a betting man.
                              "If I asked people what they wanted, they would have said faster horses." - Henry Ford

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