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Truck shuts off going down road

Discussion in 'Volvo Forum' started by Jron2112, Aug 16, 2023.

  1. Aug 16, 2023 #1
    Jron2112

    Jron2112 Light Load Member

    79
    25
    Jun 27, 2013
    0
    Recent issue just started when I’m driving down the road the truck loses all throttle response and just idles til I come to a complete stop then it shuts off. I can turn the key off then back on and it fires right up and sometimes it happens a few minutes later or sometimes it runs for 30-45 minutes. I changed the fuel filters a week ago and it ran fine the whole week til yesterday when it started doing this again. It’s a 2012 Volvo Car Carrier.
     
    Jron2112, Aug 16, 2023
    Jron2112, Aug 16, 2023
    #1
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  3. Aug 17, 2023 #2
    nasriza

    nasriza Road Train Member

    2,398
    2,074
    Feb 1, 2013
    Chicago, IL
    0
    seems like protection is shutting off the truck either coolant level oil level or pressure as well as crankcase pressure any of those might be causing problems.
     
    nasriza, Aug 17, 2023
    nasriza, Aug 17, 2023
    #2
  4. Aug 17, 2023 #4
    Jron2112

    Jron2112 Light Load Member

    79
    25
    Jun 27, 2013
    0
    Appreciate the info…so I swapped out fuel filters again yesterday and it ran great all day no issues
     
    Jron2112, Aug 17, 2023
    Jron2112, Aug 17, 2023
    #4
  5. Aug 24, 2023 #4
    dbny5000

    dbny5000 Light Load Member

    95
    56
    Dec 24, 2011
    San Francisco, CA
    0
    Losing throttle response wouldn't lead me to fuel filters. It'd lead me to a bad ECM connection or throttle-position sensor off the top of my head. You should also mention whether there are any active codes in the engine-diagnostics menu.
     
    dbny5000, Aug 24, 2023
    dbny5000, Aug 24, 2023
    #4
  7. Sep 17, 2023 #5
    Texan4Life

    Texan4Life Bobtail Member

    44
    16
    Oct 18, 2022
    0
    I have had a similar issue and it would show "service ECM". disconnected and checked my batteries individually 2 out of the 4 were bad (one had 6volts the other 8volts) replaced them and so far I haven't had anymore issues. Engine would start just fine, but I'm guessing it was causing some weird voltage fluctuations that the ECM didn't like
     
    Texan4Life, Sep 17, 2023
    Texan4Life, Sep 17, 2023
    #5
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