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03 v6 tacoma starting problems. plz help

Discussion in '1st Gen. Tacomas (1995-2004)' started by saltyturtle, Dec 6, 2009.

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  1. Dec 6, 2009 at 12:10 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    ok i have a 2003 tacoma v6 trd, first off truck always runs perfect and no check engine lights and last night i went to gas station and filled up. started it back up and it died. now every time i start it ether it will start and idle for 2 seconds and die or it wont idle or start at all. when u do get it to start if u give it gas to try to make it stay running it just dies. i check to make sure it was getting fuel and it was. any ideas?
     
    saltyturtle, Dec 6, 2009
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  2. Dec 6, 2009 at 12:33 PM
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    BG04

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    BG04 Well-Known Member

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    It could be a fuel pump if it acts like its not getting gas. Next time you get it running try the seafoam treatment. I havent done it yet but Im about to.
     
    BG04, Dec 6, 2009
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  3. Dec 6, 2009 at 12:38 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    yah but we unhooked the fuel line and cranked the motor and it was pumping fuel out
     
    saltyturtle, Dec 6, 2009
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  4. Dec 6, 2009 at 12:42 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    Check to see if you butterfly plate is stuck.
     
    98tacoma27, Dec 6, 2009
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  5. Dec 6, 2009 at 12:43 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    Your IAC could be stuck also.
     
    98tacoma27, Dec 6, 2009
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  6. Dec 6, 2009 at 12:45 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    we sprayed throttle bodie cleaner in and it started then back fired. and we cracked fuel line under the hood and cranked the the motor over and fuel pumped out of the line.
     
    saltyturtle, Dec 6, 2009
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  7. Dec 6, 2009 at 12:47 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    also how would i do the iac. do i just unplug it or what. i am a certified honda tech so toyotas are a little different for me
     
    saltyturtle, Dec 6, 2009
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  8. Dec 6, 2009 at 1:15 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    They call it an ISC on these pages from the FSM. You have to remove the throttle body to clean the IAC. It is attached to the bottom of it. You basically clean it with throttle body cleaner or seafoam and a toothbrush.
     
    98tacoma27, Dec 6, 2009
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  9. Dec 6, 2009 at 1:33 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    do you think that could keep it from running. usually i thought if it isnt working properly u just have to keep given the vehicle gas to keep it running or are you saying since it might be stuck open its getting to much airflow to start?
     
    saltyturtle, Dec 6, 2009
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  10. Dec 6, 2009 at 1:41 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    HHhmmmmmmm.............good point. It could be possible. Do you have any cels?
     
    98tacoma27, Dec 6, 2009
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  11. Dec 6, 2009 at 1:45 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    none at all. but right now i cant tell since it wont stay running. i was thinking maybe bad gas from the gas station but i dont think it would circulate that quick in the system to mess it up. its just weird that i fill up at gas station then it wont run.
     
    saltyturtle, Dec 6, 2009
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  12. Dec 6, 2009 at 1:50 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Yes, I agree this is very weird. You could try the scan tool anyway. There may be a code there.
     
    98tacoma27, Dec 6, 2009
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  13. Dec 6, 2009 at 1:51 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    yah ill have to bring it home from work tomorrow and try that
     
    saltyturtle, Dec 6, 2009
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  14. Dec 6, 2009 at 1:54 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    You could also try pinching the bottom of the fuel pressure regulator return line to eliminate that.
     
    98tacoma27, Dec 6, 2009
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  15. Dec 6, 2009 at 1:57 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    is the fuel pump post to be pupping fuel when the key is on or only when the engine is cranking or running. cuz with the key just turned to on it isnt pumping but when cranking it is pumping
     
    saltyturtle, Dec 6, 2009
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  16. Dec 6, 2009 at 2:13 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    I think it is only supposed to be on when cranking.
     
    98tacoma27, Dec 6, 2009
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  17. Dec 6, 2009 at 3:17 PM
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    saltyturtle

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    saltyturtle [OP] Member

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    think were bout to try draining tank and put known good gas in it because itll run fine off throttle bodie cleaner so thinken we just got bad gas.
     
    saltyturtle, Dec 6, 2009
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  18. Dec 6, 2009 at 7:14 PM
    #18
    saltyturtle

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    saltyturtle [OP] Member

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    so after getting the taste of bad gas out of my mouth we put new gas in the truck it started but had a ruff time so we cracked the fuel line and cranked it and tightened it back and she fired right up and runs like a champ now. that goes to show how fast bad gas will effect your car.
     
    saltyturtle, Dec 6, 2009
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  19. Dec 6, 2009 at 7:16 PM
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    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Wow, Thats messed up? Is there water in it?
     
    98tacoma27, Dec 6, 2009
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  20. Dec 6, 2009 at 7:21 PM
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    bigyetti

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    bigyetti Well-Known Member

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    sirius satilite radio, more on the way when i get more money. oh ya removed the secondary filter
    Check your injector wires they might be bad or loose. It happened to me on my 89, mine did the same thing you described. hope it helps.
     
    bigyetti, Dec 6, 2009
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