1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

97 Tacoma Poor Engine Performance at high speed

Discussion in '1st Gen. Tacomas (1995-2004)' started by vhandy, Mar 4, 2010.

  1. Mar 4, 2010 at 6:28 AM
    #1
    vhandy

    vhandy [OP] Member

    Joined:
    Mar 4, 2010
    Member:
    #32515
    Messages:
    6
    Gender:
    Male
    First Name:
    Victor
    Tampa, FL
    Vehicle:
    97 Tacoma Ex Cab 4X4
    My 97 3.4l Tacoma 4X4 began experiencing poor engine performance at higher speeds (65-75 MPH). A description of the problem is the engine seem to start choking for fuel, and begins to shake. The last incident the check engine light came on and I limped it to my local garage. They ran diagnostics on it and determined that cylindar 5 was mis-firing. The replaced the Ignition coil, wires, replaced the spark plugs, cleaned the fuel intake and air intake sytem. I drove my Tacoma the following day and had the same issue at high speed. Has anyone else had this issue? I've already spend $650 and would prefer not to spend that much again for a simple fix. Thanks for your help.
     
  2. Mar 4, 2010 at 6:30 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

    Joined:
    Dec 18, 2008
    Member:
    #11714
    Messages:
    49,857
    Gender:
    Male
    First Name:
    Ben
    Beech Creek
    Vehicle:
    05 Tundra SR5 (+250k AND COUNTING), 88 SR5 PU (SOLD), 98 TRD OR (CRUSHED)
    5100's all on fours
    What plugs did you use? And what were they gaped to?
     
  3. Mar 4, 2010 at 6:34 AM
    #3
    vhandy

    vhandy [OP] Member

    Joined:
    Mar 4, 2010
    Member:
    #32515
    Messages:
    6
    Gender:
    Male
    First Name:
    Victor
    Tampa, FL
    Vehicle:
    97 Tacoma Ex Cab 4X4
    They used NGK Nickel Dual Tip Plugs. Not sure of the gapping.
     
  4. Mar 4, 2010 at 6:46 AM
    #4
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

    Joined:
    Dec 18, 2008
    Member:
    #11714
    Messages:
    49,857
    Gender:
    Male
    First Name:
    Ben
    Beech Creek
    Vehicle:
    05 Tundra SR5 (+250k AND COUNTING), 88 SR5 PU (SOLD), 98 TRD OR (CRUSHED)
    5100's all on fours
    Seeing how it is one cylinder pulling the code after all of those changes still, I would recommend doing a compression test on that cylinder. If that comes back good, then look at the injector.
     
  5. Mar 4, 2010 at 6:51 AM
    #5
    vhandy

    vhandy [OP] Member

    Joined:
    Mar 4, 2010
    Member:
    #32515
    Messages:
    6
    Gender:
    Male
    First Name:
    Victor
    Tampa, FL
    Vehicle:
    97 Tacoma Ex Cab 4X4
    Thanks, I will have to take a loot at that today. It's just weird that it only happens at higher speeds. At least until the check engine light came on then its was hard just to keep it idling at a complete stop.
     
  6. Mar 15, 2010 at 1:47 PM
    #6
    abbaschild

    abbaschild Member

    Joined:
    Mar 31, 2009
    Member:
    #15404
    Messages:
    19
    Gender:
    Male
    Orange Co., CA
    Vehicle:
    1998 Tacoma 4WD
    Shell, carpet kit, rear suspension, wheels
    Did you replace the fuel filter?

    If it is the injector, sometimes having the injection system flushed will clear it up. I had an injector clog up on my 98. The cylinder was stone dead, even with new plugs. Cost me a bundle to replace b/c it was on the left bank, under the intake manifold.
     
  7. Mar 16, 2010 at 7:33 AM
    #7
    saweetlou

    saweetlou Well-Known Member

    Joined:
    Mar 15, 2010
    Member:
    #33266
    Messages:
    184
    Gender:
    Male
    Guelph Ontario
    Vehicle:
    TRD Stepside
    2in Skyjacker
    Did you check the coil pack, I just recently had the same issue and it was the coil.
     
To Top