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No vacuum

Discussion in '1st Gen. Tacomas (1995-2004)' started by davisfleck, Jul 20, 2017.

  1. Jul 20, 2017 at 2:47 PM
    #1
    davisfleck

    #1
    davisfleck [OP] New Member

    Joined:
    Jul 20, 2017
    Member:
    #224556
    Messages:
    2
    Gender:
    Male
    First Name:
    david
    Vehicle:
    97 tocoma
    We have a 97 Tacoma ranch truck. the engine was replaced less than 5000 miles ago. it stumbles on acceleration and has no power. also the brake pedal it hard. i pulled the vac. hose at the booster and nothing
    any ideas?
     
    davisfleck, Jul 20, 2017
    #1
  2. Jul 20, 2017 at 2:53 PM
    #2
    cliffyk

    #2
    cliffyk Well-Known Member

    Joined:
    Oct 27, 2016
    Member:
    #200890
    Messages:
    2,031
    First Name:
    Cliff
    Saint Augustine, FL
    Vehicle:
    2009 DCSB SR5 TRD Sport 145k miles
    With the engine running, at idle, there should be 18 to 20 inHg vacuum at the booster vacuum hose. Connect a vacuum gauge to a direct manifold test port and compare the readings to this chart:

    [​IMG]
     
    cliffyk, Jul 20, 2017
    #2
    tan4x4 likes this.
  3. Jul 20, 2017 at 3:30 PM
    #3
    davisfleck

    #3
    davisfleck [OP] New Member

    Joined:
    Jul 20, 2017
    Member:
    #224556
    Messages:
    2
    Gender:
    Male
    First Name:
    david
    Vehicle:
    97 tocoma
    thnx ill check it out
     
    davisfleck, Jul 20, 2017
    #3
  4. Jul 21, 2017 at 1:37 AM
    #4
    mechanicjon

    #4
    mechanicjon They call me "Jonny Stubs"

    Joined:
    Dec 2, 2016
    Member:
    #203828
    Messages:
    10,149
    Gender:
    Male
    First Name:
    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.
    V6 or 4cyl?
    Could have a cam timing issue.
     
    mechanicjon, Jul 21, 2017
    #4

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