2007 Touring, missfire or kicking problem.

Discussion in 'General Tech Talk' started by Richard in Wales, Jul 15, 2018.

  1. Richard in Wales

    Richard in Wales.020 Over

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    Hi

    Looking for help with a friends 2007 Touring.
    Its totally stock.
    Map 20367
    He has had it about 7 months.
    22000 miles on clock.
    History unknown.

    This issue started a month ago, occasionally it would cut out coming to a junction.
    Then it started missing and kicking at low rpm cruising, occasional backfire and a sharp click from under the tank.
    Under acceleration its all fine, pulls like a train.

    TuneECU - no error codes.

    I suspected an ignition problem, and bought new iridium plugs, air filter, 2 aftermarket coils.
    Stripped it down, found No2 plug lead open circuit, and spark track marks on the lead.
    Fitted new coil + leads + plug caps.

    The occasional backfire and crack noises have gone, but the missing or kicking is still there.

    Fitted the other 2 coils on their bracket from my 2013 Roadster.
    Still the same, so there was a problem with front coil, now sorted, other coils shown to be fine.

    So the big question, what's wrong with it?

    Pictures show: -
    One of the plugs, they all looked the same
    Dissected plug cap, showing burnt 5K resistor
     

    Attached Files:

  2. Tripps

    TrippsRetired superhero

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    I have the same issue, hopefully have a fix next week, ignition switch went bad on mine, when it does that, try wiggling the key. On mine that fixed it immediately, or killed the bike like a kill switch, it could go either way. Pretty much nailed it down for me. Do you ever have an issue turning the key on, no power ?
     
  3. warp9.9

    warp9.9Pocałuj mnie w dupę

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    First clean and crimp with needle nose iers the low tension leads to each coil. The front one is a bugger to get at. Take the plate mounted above it and toss it. Just to be clear here is a picture of number 2 coil and the proper wire location. Each is the same.
    low tension leads.jpg

    Disregard the blower intake plumbing as you might not have that style of air filtration. :D
     
    Last edited: Jul 16, 2018
    Boog and Tripps like this.
  4. Richard in Wales

    Richard in Wales.020 Over

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    Hi

    Thanks for the replies.

    Ignition key appears to be fine.

    Coil terminals - all checked and tightened.
    the what?

    Thanks

    Richard
     
  5. Jvheli

    JvheliSupercharged

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    How about the three map sensor vacuum lines under the tank? They are very critical to the ecu for fueling. A leak is gonna cause problems. Also, if you decide to replace them they are legnth critical
     
  6. Jvheli

    JvheliSupercharged

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    @warp9.9 is refering to the steel plate mounted atop the front coil. Triumph put it there to restrain the mass of wiring there. It also serves to make reinstalling a total pita!
     
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  7. rash_powder

    rash_powderSupercharged

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    I have been battling a very similar problem with my 2008 Touring. I haven’t had opportunity to double check it, but I think I have a bad MAP sensor - the under tank unit, not air box.

    Tune ECU will help you diagnose. Last I had mine running my MAP indicated the same Pressure running as not running.
     
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