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Cascadia coolant temp sensor can't even

Discussion in 'Ask An Owner Operator' started by shatteredsquare, Nov 25, 2019.

  1. Nov 25, 2019 #1
    shatteredsquare

    shatteredsquare Road Train Member

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    May 23, 2014
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    How many times has your DD13 coolant temp sensor woken up dead? Turn key on, coolant up at 100ish, wait a few seconds, needle drops dead, check engine light comes on. Open hood, bang on temp sensor, cycle key a few times, finally stays at temp reading. Check engine light goes off but orange reminder light stays on for a few days, a week later it will say f it and turn off by itself. This is the third time in 3 years, didn't know temp sensors were wear items...

    [​IMG]
     
    shatteredsquare, Nov 25, 2019
    shatteredsquare, Nov 25, 2019
    #1
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  3. Jan 5, 2021 #2
    shatteredsquare

    shatteredsquare Road Train Member

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    it's from the tripac running hot coolant through system with cool ambient temps, computer get confused why tf there is 50+ degrees difference between one temp sensor and another. shut off tripac for 5 minutes and let it sit before turning on truck and it's not confused anymore
     
    Last edited: Jan 5, 2021
    shatteredsquare, Jan 5, 2021
    shatteredsquare, Jan 5, 2021
    #2
    feldsforever and Spartan101 Thank this.
  4. Jan 16, 2021 #3
    feldsforever

    feldsforever Road Train Member

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    Replaced the one in this truck. Did it again two weeks later. So replaced it again. Been 7 months no issues. Hope this helps.
    It would kill the truck, so I unplugged it for a couple weeks. Finally got a muilty meter to the wires. Wires where good, so my boss just bought a brand new bad sensor. Then a brand new good sensor
     
    feldsforever, Jan 16, 2021
    feldsforever, Jan 16, 2021
    #3
  5. Jan 16, 2021 #4
    feldsforever

    feldsforever Road Train Member

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    On second thought have you cleaned to connections?
     
    feldsforever, Jan 16, 2021
    feldsforever, Jan 16, 2021
    #4
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