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Truck out of shop, New issue.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Hurst, Oct 2, 2016.

Page 3 of 7
  1. Oct 2, 2016 #21
    Hurst

    Hurst Registered Member

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    Soon as I drop tomorrow morning I'll head to the nearest CAT shop.

    I pretty much live on my jake either for speed control or stopping/slowing. So not having it and relying only on my brakes is eating at me. This is not my driving style.

    Hurst
     
    Hurst, Oct 2, 2016
    Hurst, Oct 2, 2016
    #21
    CasanovaCruiser and bzinger Thank this.
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  3. Oct 2, 2016 #22
    Hurst

    Hurst Registered Member

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    Petro in Georgia did a PM service... I normally do them at home. But it was due and didnt think they could screw that up.

    When engine started running rough I was just outside Lake Charles, La. Had it towed to Louisiana CAT off Broad st. It was only there for 2 days. I'm thinking they pinched a wire when they closed up the valve cover. But you could be right.. there could be more going on in the over head. Thats why I have the jake turned off for now.

    I had the studs upgraded 2 yrs ago when I had the engine and injector harness replaced. That was the first over head I had done to this truck.

    Hoping none of the studs are broken/cracked/stretched.

    CAT in Brooksville Fla has been pretty good to me. I'm too far out to set anything up at home. I'm committed to one more load for this broker. Plan is to get loaded after I drop.. then check into CAT. I dont have a set delivery time for that load.

    Hurst
     
    Hurst, Oct 2, 2016
    Hurst, Oct 2, 2016
    #22
    Cat sdp Thanks this.
  4. Oct 2, 2016 #23
    Hurst

    Hurst Registered Member

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    Both.. the injector harness has 2 seperate harness and then I did the engine harness from the ecm to everything around the engine. That was done 2 yrs ago.

    What Freightliner just replaced was from the 2nd plug on the ecm that goes back up into the cab.

    I agree. I really need to get more hands on with things like this so in the future I can handle it myself.

    Hurst
     
    Hurst, Oct 2, 2016
    Hurst, Oct 2, 2016
    #23
  5. Oct 2, 2016 #24
    Cat sdp

    Cat sdp . .

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    How was the ECM reflashed ?
     
    Cat sdp, Oct 2, 2016
    Cat sdp, Oct 2, 2016
    #24
  7. Oct 2, 2016 #25
    JKrabs

    JKrabs Bobtail Member

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    Just an FYI, the technical term for that is the OEM engine harness.
     
    JKrabs, Oct 2, 2016
    JKrabs, Oct 2, 2016
    #25
    Hurst Thanks this.
  8. Oct 2, 2016 #26
    Hurst

    Hurst Registered Member

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    It was done out side of the truck due to the oem harness being out of whack.

    I was told he flashed the stock 435/1650 file and did the injector calibration tables. Not sure how they can do that while not in the truck. Either way.. I'm going to give em hell tomorrow and get this sorted out and working like its supposed to be.

    I have a guy in Fla who will put the 500/1850 file back in when I get home.

    Hurst
     
    Hurst, Oct 2, 2016
    Hurst, Oct 2, 2016
    #26
  9. Oct 2, 2016 #27
    bzinger

    bzinger Road Train Member

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    Sorry to hear Hurst ! Wish I could offer advice .
     
    bzinger, Oct 2, 2016
    bzinger, Oct 2, 2016
    #27
    Hurst Thanks this.
  10. Oct 2, 2016 #28
    Hurst

    Hurst Registered Member

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    Its all good.

    A year from now I can make posts and hopefully help someone else with a similar problem.

    Hurst
     
    Hurst, Oct 2, 2016
    Hurst, Oct 2, 2016
    #28
    albert l, CasanovaCruiser, tucker and 1 other person Thank this.
  11. Oct 2, 2016 #29
    JKrabs

    JKrabs Bobtail Member

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    I'm addmittedly not a CAT guy. Out of 180+ trucks, we've got 2 contract maintenance tractors with C15s in them. With that said, I'd bet that CAT pulled the injector cals out of the ECM before reflash and then put the same codes it had in it back into the ECM.

    It's also common that guys will program the injector trim codes on CATs with the trim code that will deliver the most amount of fuel. So, they'll use one code for all trucks they touch. The significant majority of the time this makes the truck have a bit more power and does not cause issues. Every once in a while it causes a miss (if one cylinder delivers 2x more fuel than it's sister cylinder, you'll feel a miss).
     
    JKrabs, Oct 2, 2016
    JKrabs, Oct 2, 2016
    #29
    Hurst and cumminskid123 Thank this.
  12. Oct 2, 2016 #30
    Superhauler

    Superhauler TEACHER OF MEN

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    On an a-cert, you can not put hot trim. Codes in. There is a 12 digit file you have to load for each injector. They are not like the single turbo e-model ' s that have a 4 digit code you can play with. You can transfer the files from one ecm to another. If not you need a cd rom disk with each file per injector.
     
    Superhauler, Oct 2, 2016
    Superhauler, Oct 2, 2016
    #30
    wore out and Hurst Thank this.
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