Injector spill vave

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by javelinjeff, Apr 1, 2018.

  1. javelinjeff

    javelinjeff Medium Load Member

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    Aug 30, 2007
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    2013 KW T-660 with ISX15 400ST. Getting an Injector Spill Valve fault on dash display and yellow check engine light. Codes from my KR Scanguage are as follows,, ID 656 FM 7 CNT1. Cleared codes but still remains,no noticable change in performance, checked for fuel in oil, none found. No loss of coolant. Assume the engine is a CM2250,,Anybody familiar with this issue?
     
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  3. pushbroom

    pushbroom Road Train Member

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    Code pulls up for injector #6 mechanical system not responding.
    Most times it is a failed injector. Check for coolant in the fuel as well. The injector cup o-rings can leak coolant into the fuel and if let go for long enough will start to take out injectors. There is a repair to press a ring into the injector cup to help seal it back up.
     
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  4. javelinjeff

    javelinjeff Medium Load Member

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    Aug 30, 2007
    victorville,ca
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    Code went away, I put some fuel additive in and about 200 miles later code cleared itself,,we will see what happens tomorrow
     
  5. Rounded_nut

    Rounded_nut Light Load Member

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    Feb 25, 2018
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    You'll be replacing it soon enough, I had a similar situation, error came and went, finally wouldn't go away.
     
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