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Trouble starting after sitting in heat or refueling

Discussion in '4 Cylinder' started by ky02tacoma, Jun 10, 2011.

  1. Jun 10, 2011 at 11:27 AM
    #1
    ky02tacoma

    ky02tacoma [OP] New Member

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    Anyone have issues with starting after refueling vehicle or after the vehicle sits in the sun and heat?
     
  2. Jun 10, 2011 at 11:35 AM
    #2
    skytower

    skytower Well-Known Member

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    virginia
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    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Get your charging system checked. If good, your starter is dying.
     
  3. Jun 10, 2011 at 11:42 AM
    #3
    mjohn617

    mjohn617 Well-Known Member

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    I have, nothting more than a second attempt and it fires up. Are you cranking for a while?
     
  4. Jun 10, 2011 at 11:52 AM
    #4
    DGXR

    DGXR Well-Known Member

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    It depends what you mean by "trouble starting," do you mean slow cranking or noisy cranking or excessive cranking required? My truck needs a few extra cranks to fire after it's all warmed up and sits for a minute in warm weather, but I would not say it's hard starting. In other discussions on this matter, some TW members state it's just because of the ECU programming -- during startup the system will run a series of checks before allowing fuel injection, and it seems like this takes a little longer when it's hot vs cold. But it's not a big problem for me.
     
  5. Jun 10, 2011 at 12:59 PM
    #5
    ky02tacoma

    ky02tacoma [OP] New Member

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    It does seem to be a fuel issue. Not sure if it pressure or something else. I have had mechanics tell me that there is nothing definitive. I am cranking for a while, but it seems to be in order to drive up the fuel. I have had evap codes and have addressed those. Just not willing to guess at sensors that cost a couple of bills each. Thank you for your help.
     
  6. Jun 10, 2011 at 2:39 PM
    #6
    skytower

    skytower Well-Known Member

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    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Well... I jumped the gun. Assumed the starter wasn't turning.

    Check your fuel pressure. There's a check ball in the fuel sender that maintains fuel line pressure, but it's usually a time based problem not heat related.
    If your spark plugs or distributor(if you have one) is old, this could be the cause.
     
  7. Jun 10, 2011 at 5:57 PM
    #7
    91r100gs

    91r100gs Understand the Voice Within

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    What about good old fashioned vapor lock.
     
  8. Jun 10, 2011 at 6:20 PM
    #8
    skytower

    skytower Well-Known Member

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    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Mmmm... more of a problem for carbs. Not as much for fuel inj.
     
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