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what the hell is going on!?!

Discussion in '1st Gen. Tacomas' started by mixaro, Nov 2, 2011.

  1. Nov 2, 2011 at 7:00 PM
    #1
    mixaro

    mixaro [OP] Well-Known Member

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    ok heres the deal i have a 02 2.7 and it won't start unless i press the gas pedal all the way down, and it won't stay running if i let off the gas. But once it gets up to running temp. its fine. what the hell is going on?
     
  2. Nov 2, 2011 at 7:10 PM
    #2
    UndefinedTaco

    UndefinedTaco I'll eat all your food.

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    It's an 89 Toyota Pickup. I got some stuff done to it.. FJ axles going under it soon.
    Sounds like you got a problem
     
  3. Nov 2, 2011 at 7:14 PM
    #3
    mixaro

    mixaro [OP] Well-Known Member

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    yeah i know, it's weird, it started fine, but then i shut it off right after i started it cause i saw that my tool box was open and my tail gate was down, and when i went to start it, it decided to be a pain in the a$$.
     
  4. Nov 3, 2011 at 8:08 AM
    #4
    wcp0611

    wcp0611 Well-Known Member

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    Grey wire and keyless entry. I like stock.
    Before giving advice to you, does it pop any codes you can check out?
     
  5. Nov 3, 2011 at 10:13 AM
    #5
    XwesleysnipesX

    XwesleysnipesX Well-Known Member

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    Id have to say a coolant temp sensor. Im not sure what toyota calls it. On my vw thats what is was called. Its dead on the same problem i was having with my corrado. I know its a different make and model. But im pretty sure all cars 96 and newer use them. Just my 2 cents.
     
  6. Nov 3, 2011 at 10:28 AM
    #6
    Taco John

    Taco John Well-Known Member

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    So it started fine first thing, you shut if off shortly after starting it, and then it hwas hard starting or you always have to floor it to start it?
     
  7. Nov 7, 2011 at 5:41 PM
    #7
    mixaro

    mixaro [OP] Well-Known Member

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    ok it has only happened that one time but yeah i was and still a little concerned about it. It would only start back up when i pressed the gas to the floor and as soon as say i came to a stop sign and would stop and have the clutch pressed in it would stall out, then would not start back up unless i floored the gas pedal. But then after it warmed up it stopped doing it and has not done it again, and it has not thrown any codes.
     
  8. Nov 7, 2011 at 5:44 PM
    #8
    Scummy

    Scummy SCUMBAG CUSTOMS

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    sounds like a fuel pump, filter, or injector problem
     
  9. Nov 7, 2011 at 5:45 PM
    #9
    rcbs204

    rcbs204 Well-Known Member Vendor

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    This, is your best bet.
     
  10. Nov 7, 2011 at 6:01 PM
    #10
    98tacoma27

    98tacoma27 :POOPCORN: Thor

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    Try cycling the gas pedal 100 times with the truck off.
     
  11. Nov 7, 2011 at 6:07 PM
    #11
    fireturk41

    fireturk41 I like to break shit!

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    to me it sounds like an idle air control valve that may be sticking...try cleaning your throttle body and maf sensor
     
  12. Nov 7, 2011 at 6:08 PM
    #12
    mixaro

    mixaro [OP] Well-Known Member

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    i was hoping it wasn't the pump, injectors, or filter, but it's weird it only did it that one time and it hasn't happened again.
     
  13. Nov 7, 2011 at 6:17 PM
    #13
    fireturk41

    fireturk41 I like to break shit!

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    when mine was sticking i let off the gas coming to a stop sign and it just cut off, the truck wouldnt stay running unless i had my feet on the gas at all times, cleaned the tb iac and maf and its been running to this day
     
  14. Nov 7, 2011 at 6:18 PM
    #14
    Leggo

    Leggo slow is smooth, and smooth is fast.

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    Pedal to the floor makes a clear flood condition, shutting off the injectors. It all sounds like a flooding situation possibly caused by the coolant temp sender, a MAP sensor, a TPS, a cold start injector problem, a fuel pressure problem, or any combination of the previous conditions. The fact that it runs better when it warms up makes me think about the temp sender direction but I have seen ECM's fail in similar fashion. You need to get a scanner on it and maybe a scope to see what is really happening.
     
  15. Nov 7, 2011 at 6:22 PM
    #15
    Leggo

    Leggo slow is smooth, and smooth is fast.

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    sorry, I didn't know it has cleared up on it's own.. Good deal! ever find the problem?
     
  16. Nov 7, 2011 at 6:31 PM
    #16
    fireturk41

    fireturk41 I like to break shit!

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    x2

    it can be a giant number of things, over the internet we can only suggest causes and take guesses, take it to a trusted shop that has a scanner that can scan every systems function

    (ie with my diesel i had an issue of it defueling under boost, took it to the local diesel shop and ran the scan tool, within 10 minutes it had checked all the electrical systems and found the secondary fuel pump tripping the circuit breaker every few minutes)
     
  17. Nov 7, 2011 at 6:38 PM
    #17
    mixaro

    mixaro [OP] Well-Known Member

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    yeah one of my friends is a hell of a mechanic, and we hooked it up to his scanner, and the only code it threw was my o2 sensor (which i knew was bad) and thats it. so we did cleaned the map sensor and the throttle body. then we sea foamed it and ran some injector cleaner through it. he figures i probably just got some crap gas (only had a little under a quarter of tank of gas), or maybe my fuel filter. it's just odd that it's running like a champ since that day.
     
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