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MAF

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Alwong, Sep 7, 2016.

  1. Sep 7, 2016 at 8:28 AM
    #1
    Alwong

    Alwong [OP] Member

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    I replaced the MAF sensor but still won't start
     
  2. Sep 7, 2016 at 8:29 AM
    #2
    TashcomerTexas

    TashcomerTexas My truck is a whiner

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    Cool
     
    327 and Arailt like this.
  3. Sep 7, 2016 at 8:31 AM
    #3
    Alwong

    Alwong [OP] Member

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    Is there any relearn procedures
     
  4. Sep 7, 2016 at 8:33 AM
    #4
    wilcam47

    wilcam47 Keep on keeping on!

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    what was the reason you changed the maf in the first place? Does it turn over or nothing? a little more description other than it wont start would be helpful.
     
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  5. Sep 7, 2016 at 8:34 AM
    #5
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Do you have any more information as to what happened leading up to it not starting?

    What motor? Year?
     
  6. Sep 7, 2016 at 8:39 AM
    #6
    Alwong

    Alwong [OP] Member

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    09 V6... it gave the MAF and IAT.. replaced.. then code says passed but won't start
     
  7. Sep 7, 2016 at 8:40 AM
    #7
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Which MAF code?

    Did you check the fuse?
     
  8. Sep 7, 2016 at 8:43 AM
    #8
    Alwong

    Alwong [OP] Member

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    PO102, PO113... which fuse?
     
  9. Sep 7, 2016 at 8:55 AM
    #9
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    20A EFI fuse
     
  10. Sep 7, 2016 at 8:57 AM
    #10
    Alwong

    Alwong [OP] Member

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    Pulled both fuel lines off and no gas came out... could it be problem
     
  11. Sep 7, 2016 at 8:58 AM
    #11
    wilcam47

    wilcam47 Keep on keeping on!

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    it is if theres nothing coming out when you try to start....No fuel means no start....
     
  12. Sep 7, 2016 at 8:59 AM
    #12
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Possibly. The fuel pump also gets its power from the EFI fuse.

    What lead to the codes?
     
  13. Sep 7, 2016 at 9:04 AM
    #13
    Alwong

    Alwong [OP] Member

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    Fuse is good.. driving..sudden loss of power... throttle no response... electronically working.
     
  14. Sep 7, 2016 at 9:07 AM
    #14
    Alwong

    Alwong [OP] Member

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    Suggestions where to start if fuel problem
     
  15. Sep 7, 2016 at 9:18 AM
    #15
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    EFI relay
     
  16. Sep 7, 2016 at 1:18 PM
    #16
    Jimmyh

    Jimmyh Well-Known Member

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    This is the basic circuit run from the EFI Fuse all the way to the fuel pump. Note the Fuel pump resistor is in front of the battery on the drivers side.

    20 amp EFI Fuse >> EFI Relay Contact >> C/OPN Relay Contact >> Fuel Pump Relay Coil and Contact >> Fuel pump resistor and Fuel pump.

    Go here: See post # 2 for detailed information. Thanks Gearcruncher.

    https://www.tacomaworld.com/threads/fuel-delivery-issues-2005-pre-runner-4-0l.329903/
     

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