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I think I’m killing my truck lol

Discussion in '2nd Gen. Tacomas (2005-2015)' started by 05toyoda, Feb 4, 2018.

  1. Feb 4, 2018 at 6:24 PM
    #1
    05toyoda

    05toyoda [OP] Member

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    Hello all!

    So I have an 05 taco 4.0L v6 with 185k miles on it and recently its been having a little bit of problems...

    It all started with a check engine light and it ended up being a cylinder 4 misfire. So I changed the spark plugs and it seemed to fix the problem for a while.

    But now my check engine light comes on and then it goes away after a few days then comes back. The truck feels like its having a hard time starting and also the RPMs dont seem to be right at times when driving...my battery and alternator checked out to be good so im not sure what could be causing this check engine light to come and go.

    Ive been pretty bad with the maitenance... basically just doing oil changes and thats pretty much it. I bought the truck with 85k miles and it now has 185k miles.

    Anyone got any suggestions on what I should have done to her or what might be some of the problems im having?

    I always take my truck to the dealership for oil changes.

    Thanks everyone! Im not very mechanically inclined but this forum sure helps!
     
  2. Feb 4, 2018 at 6:34 PM
    #2
    LilTexan22

    LilTexan22 Well-Known Member

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    Ignition coil?:confused: idk maybe it went bad after all these years. Clean the maf sensor maybe someone else might know more than me
     
    Vasqu3zk likes this.
  3. Feb 4, 2018 at 6:36 PM
    #3
    DukesTaco

    DukesTaco Well-Known Member

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    Ignition coil or the dreaded head gasket.
     
    timbobzimbob and BassAckwards like this.
  4. Feb 4, 2018 at 7:57 PM
    #4
    b_r_o

    b_r_o We need to talk about your flair

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    What code is it flagging?
     
  5. Feb 4, 2018 at 8:00 PM
    #5
    JaCado

    JaCado I make bad choices

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    The first gens have a similar issue and can be the catalytic converters are bad.
     
  6. Feb 4, 2018 at 8:03 PM
    #6
    Stewbuff

    Stewbuff Well-Known Member

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  7. Feb 4, 2018 at 8:04 PM
    #7
    Vasqu3zk

    Vasqu3zk Well-Known Member

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    Go check your code history and come back and post the codes. Other wise it’s just a guessing game. Could be a hundred different things. If your MIL comes on and off you should have it in your history.
     
    blu92in99 likes this.
  8. Feb 4, 2018 at 8:22 PM
    #8
    MARSHBUSTER

    MARSHBUSTER Well-Known Member

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    When my head gasket formed a pin hole it never made my check engine light to come on. I have no idea why it would. But a quick and easy check for head gasket is, Take your radiator cap off, Start the truck, Watch for bubbles in the radiator, Give it some time, No Bubbles after five minutes, No Issues. If you see bubbles that is exhaust gasses escaping thru the gasket. And you have issues.
     
    PzTank and airsavage like this.
  9. Feb 5, 2018 at 3:51 AM
    #9
    airsavage

    airsavage Well-Known Member

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    Marshbuster. That is a great tip
     
    MARSHBUSTER likes this.
  10. Feb 5, 2018 at 4:11 AM
    #10
    irayfz6

    irayfz6 TTC #0249

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    Could be a leaking fuel injector if it is hard to start. I had a bad one on my old Ram that would make it hard to start and throw a cylinder 2 misfire code. I let it sit over night, then pulled a spark plug from cylinder 2, and it was covered in gas. The fuel had leaked from the bad injector. I replaced it and never had another issue. Might be worth a shot.
     
  11. Feb 5, 2018 at 4:36 AM
    #11
    DoubleRGirl

    DoubleRGirl Hello Kitty Edition

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    My old beater accord had issues like that, would misfire sporadically and then right itself. Took the cat off and changed the plugs and wires, that seemed to help
     
  12. Feb 5, 2018 at 5:36 AM
    #12
    Torspd

    Torspd Tor-nication

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    '05 with 185k. Check all of your vacuum hoses. One or two are cracked or split.
     
  13. Feb 5, 2018 at 7:16 PM
    #13
    MARSHBUSTER

    MARSHBUSTER Well-Known Member

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    If it's a cat? Couldn't you check that by taking the temp of he exhaust before and after? If the cat is plugged or close to being plugged the exhaust temp is going to show temp ratings way off of each other before and after the cat, Wouldn't it?
     
  14. Feb 5, 2018 at 7:48 PM
    #14
    2015WhiteOR

    2015WhiteOR Well-Known Member

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    If you're not mechanically minded then you either need to be, or be ready to pay someone money to do the work for you.

    So which is it?
     

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