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Failed My Emission test

Discussion in '1st Gen. Tacomas (1995-2004)' started by gmata, Nov 30, 2009.

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  1. Nov 30, 2009 at 12:04 PM
    #1
    gmata

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    gmata [OP] Well-Known Member

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    I went to take the emission test today, to register my 2002 Tacoma that i just bought.

    I had problems.

    First of all the Engine Light is not turning on.

    Does anybody know how to check this? maybe is the Light bulb or a cable that is disconnected.

    Also i got 2 codes:

    P0300: Random/Multiple Cylinder Misfire Detected
    P0301: Cylinder 1 Missfire Detected.

    Please Help I need to register my truck ASAP.
     
    gmata, Nov 30, 2009
    #1
  2. Nov 30, 2009 at 1:13 PM
    #2
    98tacoma27

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    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    X2 to change the plugs and wires. Does the CEL come on when you turn the key to the ON position (not actually starting it)?
     
    98tacoma27, Nov 30, 2009
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  3. Nov 30, 2009 at 1:34 PM
    #3
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    X3. And gap both sides of the plug to .040 to .042
     
    chris4x4, Nov 30, 2009
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  4. Nov 30, 2009 at 1:48 PM
    #4
    gmata

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    gmata [OP] Well-Known Member

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    The funny thing is that the Fuel light nor the CEL come on when i turn the key to the on position.
     
    gmata, Nov 30, 2009
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  5. Nov 30, 2009 at 1:50 PM
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    gmata

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    gmata [OP] Well-Known Member

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    I will change the spark plugs, I am not very familiar with this truck since i've only had it for 5 days, my other car is a 67 mustang and the sparkplugs are so easy to change.

    Is there a manual to change the spark plugs for this truck? also do i need to reset something after i do that? Thanks
     
    gmata, Nov 30, 2009
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  6. Nov 30, 2009 at 1:54 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    Fairly straight forward. Do them one at a time to avoid mis wiring them. There is nothing that will need reset.
     
    98tacoma27, Nov 30, 2009
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  7. Nov 30, 2009 at 1:56 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.
    Dash take apart instructions
     
    98tacoma27, Nov 30, 2009
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  8. Nov 30, 2009 at 1:57 PM
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    gmata

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    gmata [OP] Well-Known Member

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    Ok thanks i will try that. Any suggestions about the Check Engine Light ?
     
    gmata, Nov 30, 2009
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  9. Nov 30, 2009 at 1:59 PM
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    98tacoma27

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    Some stuff. Not a lot, just some.
    I think there are a few bulbs in there that might need replaced. It's been a while since I have had one of them apart.
     
    98tacoma27, Nov 30, 2009
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  10. Nov 30, 2009 at 2:02 PM
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    gmata

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    gmata [OP] Well-Known Member

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    Ok i will try to take it apart and replace the bulbs and see what happens.

    Also i got another code the other day.

    "System to rich" This didn't came up today in the emission test but it came out the day i bought this truck could this be related to the other codes?
     
    gmata, Nov 30, 2009
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  11. Nov 30, 2009 at 2:09 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.
    It is possible that it through that code due to the misfire.
     
    98tacoma27, Nov 30, 2009
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  12. Nov 30, 2009 at 2:10 PM
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    gmata

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    gmata [OP] Well-Known Member

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    Ok i will change the spark plugs, change the CEL light bulb clean the MAF and see what happens.
     
    gmata, Nov 30, 2009
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  13. Nov 30, 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.
    Sounds like a good plan.
     
    98tacoma27, Nov 30, 2009
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  14. Nov 30, 2009 at 2:16 PM
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    L8ight

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    L8ight Active Member

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    Stands to reason if the plugs are fouled. They wouldn't burn all the fuel, and the result would be a rich condition.
     
    L8ight, Nov 30, 2009
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  15. Nov 30, 2009 at 2:24 PM
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    fletch aka

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    fletch aka, Nov 30, 2009
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  16. Dec 1, 2009 at 6:20 AM
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    swise

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    swise TRIFECTA!!!

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    Whats an emissions test??

    The only cool thing about ohio is no emission testing bullsh*t, at least not all counties.
     
    swise, Dec 1, 2009
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  17. Dec 1, 2009 at 8:29 AM
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    gmata

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    gmata [OP] Well-Known Member

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    One more thing before i take my dash apart, Would i be able to find the light bulbs dor the CEL and the Gas Light at an AutoZone? or do i need to order them from somewhere else?
     
    gmata, Dec 1, 2009
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  18. Dec 2, 2009 at 12:47 PM
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    gmata

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    gmata [OP] Well-Known Member

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    All right guys this is really frustrating.

    I took the dash apart and found out the CEL bulb was completly missing, they removed it on purpose :mad:

    So that problem is fixed, then i changed the sparkplugs they weren't that bad, they were all double's expept for one, Cylinder number "1" i got the Code P03001 Cylinder 1 missfire detected. So i was pretty sure that was the problem. I got the scnanner hooked up and cleared all the codes :D.

    I started driving to the Emission test center and literally as soon as i was going thru the Check Engine light comes on again :eek:. Exactly 19.6 Miles.

    I went to Autozone and i they checked it for me, again the exact same codes. P0300 and P0301.

    So my question is, what else can i do? i want to start by the cheap solutions since i don't have alot of money. But i need some help fast, i can't register my car if i don't fix this and this is my only vehicle.

    Thanks!
     
    gmata, Dec 2, 2009
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  19. Dec 2, 2009 at 2:33 PM
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    L8ight

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    L8ight Active Member

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    Hmm, the next thing I would check is the spark plug wire for that cylinder.
     
    L8ight, Dec 2, 2009
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  20. Dec 2, 2009 at 4:03 PM
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    gmata

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    gmata [OP] Well-Known Member

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    Yes, I do get 60 days to register the vehicle, i have replaced all spark plugs with Bosh Dual Platinium.

    The wires Uhm i will check on that they look pretty good, i will check them anyways.

    I have also celaned the MAF just in case, see what happens.
     
    gmata, Dec 2, 2009
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