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MAP/Vacuum Sensor in 5VZ-FE?

Discussion in '1st Gen. Tacomas (1995-2004)' started by mltitlntd, Mar 28, 2018.

  1. Mar 28, 2018 at 7:27 AM
    #1
    mltitlntd

    #1
    mltitlntd [OP] Well-Known Member

    Joined:
    Nov 15, 2009
    Member:
    #25960
    Messages:
    79
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    Male
    First Name:
    Steven
    New Orleans, La
    Vehicle:
    99 Tacoma 3.4 V6 4WD SR5
    None
    Hello All,

    I'm trying to figure out if my '99 Tacoma 3.4 L has a Manifold Absolute Pressure (MAP) sensor, and if so, where it is. I get a vacuum pressure reading from the ECM through Torque and my OBD-II interface, so SOMETHING is reading air pressure in the manifold. I'm not finding much of anything online for this.

    Thanks in advance!
     
    mltitlntd, Mar 28, 2018
    #1
  2. Mar 28, 2018 at 9:26 AM
    #2
    mechanicjon

    #2
    mechanicjon They call me "Jonny Stubs"

    Joined:
    Dec 2, 2016
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    #203828
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    Jon
    Scottsdale Arizona
    Vehicle:
    04 Taco SC 4dr SR5 TRD Prerunner
    Supercharged, AEM FIC/6, Meth Inj, ION Alloy's, Radio & Phone steering Wheel controls,Fabtech AAL, Billie's wrapped with 880's , Tundra big brake conversion, bully bars and Pioneer DDin Stereo/dvd with exterrnal usb ports. 290K and going strong.
    I trucks don't have a map sensor. It uses the MAF and a algorithm to determine it. Amount of air in with TPS sensor and A/F ratio.
     
    mechanicjon, Mar 28, 2018
    #2
  3. Mar 28, 2018 at 10:58 AM
    #3
    mltitlntd

    #3
    mltitlntd [OP] Well-Known Member

    Joined:
    Nov 15, 2009
    Member:
    #25960
    Messages:
    79
    Gender:
    Male
    First Name:
    Steven
    New Orleans, La
    Vehicle:
    99 Tacoma 3.4 V6 4WD SR5
    None
    mltitlntd, Mar 28, 2018
    #3
  4. Nov 23, 2019 at 8:28 AM
    #4
    Rldanie

    #4
    Rldanie Punisher78

    Joined:
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    Ryan
    Colorado
    Vehicle:
    2002 Supercharged, 2” pulley, FIC, Methanol, Transgo Shift Kit
    Engine Performance upgrades: Supercharged (Magnuson) FIC/6 Champion Radiator Toyota Corolla thermostat 168° JBA Headers JBA cat back exhaust Upgraded fuel pump Volant Cold Air Intake With custom plexiglass cover TransGo Transmission A340F Valve Body upgrade B&M Transmission cooler Methanol Injection 2 inch pulley Future Plans Supra Injectors Light weight crankshaft pulley Leather seats Off-road upgrades 3” rough country lift 33x12.5” Dick Cepeks Other upgrades: JL Audio 12W6 Sub in custom box JL Audio C5 Mids and tweets all the way around Sound dampened whole cab Transmission temp sensor Gen Tex rear view mirror (temp and compass) Blue instrument panel, a/c control panel lights, shifter, ashtray, glove box. Blacked out badges Blackout bumpers and grill MariMoto Projectors with demon eyes LED Taillights Second generation leather steering wheel with audio controls Custom leather wrapped automatic transmission shifter 3rd gen 4 Runner key ring light (blue) 3rd gen 4 Runner hood scoop
    @1997tacomav6
    Found it
     
    Rldanie, Nov 23, 2019
    #4
    1997tacomav6 likes this.

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