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2010 Hino 258 p0087

Discussion in 'Hino Trucks' started by Niko, May 12, 2017.

  1. Niko

    Niko New Recruit Owner/Operator

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    Had a low fuel rail pressure light come on, truck died and won't restart. Replaced SCV, then ran out of ideas. Took to dealer and they said pump, SCV, and all parameters are testing fine. Tried to tell me all 6 injectors could be bad ($5000.00) to replace on a guess. They want to test for compression by removing valve cover. Seems like they are missing something.

    Any help would be great.
     
  2. greasytshirt
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    greasytshirt Moderator Staff Member Mechanic

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    There is a fuel restriction. Check the fittings in the tank, and the banjo fittings at the fuel filter. Debris will get stuck here.

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    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      Is it making fuel pressure? That's the first thing id look for.

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    • Niko

      Niko New Recruit Owner/Operator

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      The dealer said all of the data checks out ok. I'm going to tow it back and try and troubleshoot it myself. Can't see 6 injectors being bad.
       
    • Niko

      Niko New Recruit Owner/Operator

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      They said pressure to the pump is good, I was worried it was the pump supply at first.
       
    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      First, injectors on these are almost always replaced in sets. Especially DPF equipped trucks.

      Next, troubleshooting a Hino without diagnostic software is going to be extremely difficult. Do you have DXII software?

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    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      Let's back up a second. It died on the road, it was towed to a dealer, they pulled P0087, the confirmed it had fuel pressure. Is this correct?

      Pm me your VIN.

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    • Niko

      Niko New Recruit Owner/Operator

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      Yep Exactly. I'll PM you the VIN in a few. Thanks so much man.
       
    • greasytshirt
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      Can you tell me any other details about anything? Were you at the shop when they were looking at it? Something here does not add up.

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    • Niko

      Niko New Recruit Owner/Operator

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      I initially towed it back to my shop (i own a towing business thankfully). I bypassed the tank after the fuel filter direct to pump with can of diesel. No luck, I swapped SCV valve with new one, no luck. I can start it with starting fluid, but then quickly dies after. No symptoms of bad injectors. Just stalled like it ran out of fuel.
       
    • Niko

      Niko New Recruit Owner/Operator

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      Dealer wants to crack cover to check for compression ( i thought this is done from glow plugs?). They said that is the next step. They advised Hino recommends to replace all six injectors. This seems like they are missing something.
       
    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      I doubt injectors. Your fuel temp hit 225*, suggesting a high rate of internal leakage. This is definitely in the range where the pump is suspect.

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    • greasytshirt
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      There are only four glow plugs, so checking compression involves removing injectors.

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    • Niko

      Niko New Recruit Owner/Operator

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      You were able to pull up the info?
       
    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      Part of it.

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    • Niko

      Niko New Recruit Owner/Operator

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      So would you suggest I replace the pump?
       
    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      You know, there's another great Hino mechanic in this thread in your general proximity.


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    • Niko

      Niko New Recruit Owner/Operator

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      I've seen him around here. :)
       
    • greasytshirt
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    • Niko

      Niko New Recruit Owner/Operator

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      I just PM'd him. Hopefully he can help. Thanks for all you guys do around here. It's really awesome how much help you give.
       
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