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Idle issues

Discussion in '4 Cylinder' started by jrbauserman, Mar 11, 2013.

  1. Mar 11, 2013 at 9:19 AM
    #1
    jrbauserman

    jrbauserman [OP] Member

    Joined:
    Mar 11, 2013
    Member:
    #99462
    Messages:
    6
    Gender:
    Male
    Montana
    Vehicle:
    97 Tacoma 2.7L
    Hey everyone my 97 2.7L has 277000 miles and I recently am experiencing a high idle. It is only about 200-300 RPMs high but has not done this before. I have cleaned my Mass Airflow Sensor with the proper spray and also searched for vacuume leaks with no luck. I drive 24 miles each day on a rough dirt road so if it is possible Im sure its dirty and been bounced around on my truck. Anyone have any ideas?
     
  2. Mar 11, 2013 at 10:45 AM
    #2
    skytower

    skytower Well-Known Member

    Joined:
    Jun 7, 2010
    Member:
    #38505
    Messages:
    3,221
    Gender:
    Male
    First Name:
    Dave
    virginia
    Vehicle:
    08 Tacoma 4x4
    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Search harder for vac line leaks, and cracks in the intake hoses. Use MAF cleaner as a leak detector. The idle will change when you spray near a leak.
    Use MAF cleaner on the throttle body. Clean the IAC: http://www.rockauto.com/catalog/moreinfo.php?pk=934208&cc=1278985
    If it gets gummed up, it won't work right. Cleaning is a diagnostic tool. Do one at a time to see which caused the idle problem. If it's the IAC, order a new one. Cleaning only buys you a little time till it fouls again.
     
  3. Mar 11, 2013 at 11:36 AM
    #3
    jrbauserman

    jrbauserman [OP] Member

    Joined:
    Mar 11, 2013
    Member:
    #99462
    Messages:
    6
    Gender:
    Male
    Montana
    Vehicle:
    97 Tacoma 2.7L
    Ill try to clean my throtel body and IAC, someone else mentioned that to me. Do you know what I should use to clean it? Im thinking a spray can of some kind of throtel body cleaner. Do I clean it while running or not? Or should I remove it to clean it? I will also continue to look for vacuume leaks.
     
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