Just another d16 problem

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bigmike1977d16, Aug 22, 2017.

Page 3 of 3
  1. Aug 28, 2017 #21
    terryt

    terryt Heavy Load Member

    736
    777
    Apr 27, 2009
    0
    Putting my money on the wire harness under valve cover and outside engine. volvo has the worst coating and thin cooper wire in there harness. Have seen and had two replace on mine to clear all code. the last time it was turning on the engine brake on while giving full power and over heating. The coating on the wires crack and cross fire and all types of code come and miss fires poor fuel mileage.
     
    terryt, Aug 28, 2017
    terryt, Aug 28, 2017
    #21
    Bigmike1977d16 Thanks this.
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  3. Aug 30, 2017 #22
    Bigmike1977d16

    Bigmike1977d16 Bobtail Member

    27
    40
    Aug 22, 2017
    0
    Well, Interesting development..

    Spent the day yesterday inspecting all the wires I could reach.. decided to play around with that round harness connector on the firewall driver's side. Wd40'd the crap out of it couldn't get it off but managed to move it a few millimeters sprayed it some more tightened it back up. Gave up. Started it up truck sounded different. Had to go get a load this afternoon. Drove 250 miles and no more crank sensor code. Truck runs smoother.. no more cutting.
     
    Bigmike1977d16, Aug 30, 2017
    Bigmike1977d16, Aug 30, 2017
    #22
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