Truck Randomly Died While Driving

Discussion in 'General Discussion' started by Jrock2394, Dec 15, 2016.

  1. Jrock2394

    Jrock2394 Senior Member

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    So after 4 years with no major problems in this truck, i was on my way home and out of nowhere i lost all power. It was like i turned the key completely off. Luckily i was near a parking lot and managed to pull in with no power steering.

    Here is the kick, the truck has been running perfect. I didnt even feel a hesitation at all before it quit. Also, it is not throwing any codes at all. Since it was colder than a witches tit, i only managed to check a few things. It has fuel pressure, and it turns over fine, and i unplugged the MAP sensor to see if i can get it into limp mode (no luck), and checked all the fuses. Everything looks fine it just will not start.

    I did put gas in it about 10 minutes prior which leads me to believe i could have gotten bad gas. But not sure if that would cause it to completely die without any signs.

    Any insight on this would be great. Tomorrow after work Im going to clean the IAC and see if i can see or find anything else out of the ordinary.
     
  2. dapepper9

    dapepper9 Senior Member

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    Iac won't cause it to die while driving as it's not in play. Ohm check the coil for 12-15k ohms between the tower and either pin. If that checks good you might want to look at replacing the crank sensor
     
    Last edited: Dec 16, 2016
  3. Max78

    Max78 Senior Member

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    Swap your ASD (auto shutdown relay) with you ac compressor relay. I had the same thing happen to me and swaping relays fixed it for me.
     
  4. Jrock2394

    Jrock2394 Senior Member

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    I'll take a look at that coil when I get home today. Thanks for the heads up on the IAC.


    If the ASD was bad wouldn't that cause the fuel pump to not start? I have pressure to the rail right now.




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  5. dapepper9

    dapepper9 Senior Member

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    Yes it would and starter wouldn't engage
     
  6. dudeman2009

    dudeman2009 Senior Member

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    That is correct, the IAC feeds the fuel pump as well.
     
  7. Meatball12

    Meatball12 Member

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    sounds similar to what happened to me few months ago. Ended up being my fuel pump.
     
  8. Max78

    Max78 Senior Member

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    Well thanks for the info on the ASD relay, when my truck would die it would generally start right back up, only once did it give me a little trouble but that must have been unrelated. Swapping the ASD relay cleared everything up for me.
     
  9. Jrock2394

    Jrock2394 Senior Member

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    Just an update on this. Didn't get a chance to look at it yesterday because of snow so this morning I popped the hood to see what was going on. Upon further inspection, the ignition coil wire turned out to be laying on the manifold melted clean through. Popped the old wire off and put a new one on and it fired up. Guess I got lucky on this one thanks for the input guys appreciate it.


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  10. scoose

    scoose Senior Member

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    Do we have a prize for Dapepper??
     

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