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Need diagnostic help

Discussion in '1st Gen. Tacomas (1995-2004)' started by Shennanigans, May 6, 2016.

  1. May 6, 2016 at 11:32 AM
    #1
    Shennanigans

    Shennanigans [OP] Well-Known Member

    Joined:
    Feb 29, 2016
    Member:
    #179792
    Messages:
    152
    Gender:
    Male
    First Name:
    Eric
    Vehicle:
    2001 TRD prerunner sr5 rwd
    none.... yet
    My 2001 3.4L automatic prerunner started idling very low yesterday out of no where when I got off the freeway. It idles anywhere from, what looks to be, 300-550rpm, and will stall. Has trouble staying running once started, and if I dont give it gas it wont start. It gets a little bit better when warm, but certainly isnt behaving as it should. Also feels a little under power, but nothing too crazy.

    I already tried to clean off the maf, and when its unplugged the truck will not run. Blasting the AC or heater has no effect on the problem, either. I'm not showing any check engine light, nor does the truck seem to have problems while driving but I dont have an obd2 scanner, and parts shops cant loan them out here, but I am trying a few friends who may have one available for me to use. Cannot confirm on this, but it looks like this tank is running richer, but I havent filled the tank up so I cant confirm if it actually is, the needle is just lower than it normally is at how many miles I have gone on this tank.

    I've had a similar issue since I bought the truck where when warm it doesnt want to start but if I give it a little gas it will and it would behave normally, not sure if these two are connected, but figured I would give that information out.




    EDIT: Cleaned out the iac valve and it solved the idle, havent tried a warm start yet, so dunno if it was linked to that probelm
     
    Last edited: May 6, 2016

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