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Tacoma fuel pump help!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by HTownTacoma420, Jun 13, 2019.

?

Why does my new fuel pump not turn on?

  1. Fuse

  2. Relay

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  1. Jun 13, 2019 at 1:04 PM
    #21
    HTownTacoma420

    HTownTacoma420 [OP] Member

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    Lift kit,tune up
    1 more thing. Where is the fuel filter located on the truck!!?? Mines 2013 and I cannot see it under the cab
     
    BassAckwards likes this.
  2. Jun 13, 2019 at 1:07 PM
    #22
    BassAckwards

    BassAckwards Well-Known Member

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    It is that filter sock you mentioned was clogged (inside the fuel bow)

    Underdog racing development makes an external filter conversion if your fuel pump ends up being bad, id buy their kit. Allows you to use a napa gold external inline filter
     
    Biscuits likes this.
  3. Jun 13, 2019 at 1:08 PM
    #23
    HTownTacoma420

    HTownTacoma420 [OP] Member

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    So the filter is already inside the pump when I buy it is what your telling me?
     
  4. Jun 13, 2019 at 1:14 PM
    #24
    Rustytaco71

    Rustytaco71 Well-Known Member

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    Did you confirm there is no fuel being pumped? Or you simply just don’t hear it turn on? If you’re able to I’d start disconnecting plugs and what not and cleaning them up good and trying again.
     
  5. Jun 13, 2019 at 1:29 PM
    #25
    BassAckwards

    BassAckwards Well-Known Member

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    The fuel filter is that sock that attached to the end/bottom of the stock fuel pump- can be seen below[​IMG]
     
  6. Jun 13, 2019 at 3:13 PM
    #26
    lynlan1819

    lynlan1819 Well-Known Member

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    When it comes to anything electrical,always buy factory parts,its way to much work to take a chance on aftermarket parts.
     
    Lester Lugnut likes this.
  7. Jun 13, 2019 at 3:21 PM
    #27
    b_r_o

    b_r_o Gnar doggy

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    How did you verify this?

    Did you make sure power was present on the wire that goes to the fuel pump before you removed it?

    Maybe the pump was fine the whole time and it just lost its power supply. Did the engine stall out while driving?
     
  8. Jun 13, 2019 at 3:29 PM
    #28
    lynlan1819

    lynlan1819 Well-Known Member

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    Thinking the same thing.
     
    b_r_o[QUOTED] likes this.
  9. Jun 13, 2019 at 6:21 PM
    #29
    HTownTacoma420

    HTownTacoma420 [OP] Member

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    It didnt stall on me I just came back from the store and it turned for only 5 sec. And I made it home
     
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  10. Jun 13, 2019 at 7:46 PM
    #30
    b_r_o

    b_r_o Gnar doggy

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    The engine shut off or lost power for 5 secs?
     
  11. Jun 13, 2019 at 9:34 PM
    #31
    Torspd

    Torspd Tor-nication

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    Kind correction. The sock is the sock. Pre fuel pump.

    The filter is the white canister, surrounding the pump, and above the sock.
     
    BassAckwards[QUOTED] likes this.
  12. Jun 14, 2019 at 12:52 AM
    #32
    Jimmyh

    Jimmyh Well-Known Member

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    This is the circuit for the fuel pump: https://www.customtacos.com/tech.ol...6toyewd/06toypdf/ewd/2006/tacoma/h/em01d3.pdf

    IGN Fuse 20A fuse >> C/OPN Relay Coil >> ECM >> Ground.

    ECM Energizes the coil for the EFI Relay.

    EFI Fuse 20A >> EFI Relay Contact >> C/OPN Relay Contact >> Fuel Pump Relay Contact >>Fuel Pump Resistor >> Fuel Pump Motor >> Ground.

    Failure points are usually:

    1. Fuses IGN or EFI Both are 20 amp fuses.
    2. C/OPN Relay.
    3. EFI Relay.
    4. Fuel Pump Relay.
    5. Fuel Pump Resistor.
    6. Fuel Pump.

    If you are not getting power to the pump it would probably be any of 1 through 5 or a wire. Remote chance it could be the ECM.

    NOTE: The fuel pump relay is only used to shift the pump between fast and slow speed. Slow speed the resistor is in the circuit, fast speed it is not in the circuit. It uses slow speed when idle or low load condition and fast speed on high loads and high speed conditions.
     
    Last edited: Jun 14, 2019
    2WD, Torspd and Lester Lugnut like this.

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