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2003 Taco - Check Engine light nightmare

Discussion in '1st Gen. Tacomas (1995-2004)' started by yurtdweller, Aug 16, 2016.

  1. Aug 16, 2016 at 7:31 AM
    #1
    yurtdweller

    #1
    yurtdweller [OP] Well-Known Member

    Joined:
    Jul 26, 2016
    Member:
    #192933
    Messages:
    55
    Vehicle:
    2003 Toyota Tacoma 2.7l
    I have a check engine light that does not want to stay off!

    The first time around, it was the rear oxygen sensor. Got a new one in there and it turned off. One day later, light comes on for rear catalytic converter. Got a new one installed. One day later the light comes on again for the front catalytic converter. Got a new one installed. The muffler shop messed up the job and then I had to go back for them to re-weld it on. Now the check engine light turns on again for the EVAP canister.

    I'm a little tired of this little orange light! Could there be some underlying issue causing all of these failures, or just bad luck? I don't want to keep throwing parts at it if there's something else going on that needs attention...
     
    yurtdweller, Aug 16, 2016
    #1
  2. Aug 16, 2016 at 8:09 AM
    #2
    98tacoma27

    #2
    98tacoma27 is going full "SANDWICH" Moderator

    Joined:
    Dec 18, 2008
    Member:
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    Male
    First Name:
    Ben
    Not Beech Creek
    Vehicle:
    05 Tundra SR5 (+295k AND COUNTING), 2006 F350 King Ranch 6.0L
    Some stuff. Not a lot, just some.
    The EVAP canister is totally unrelated to the cat. But it is possible they damaged a line during the welding process. What code exactly is being displayed?
     
    98tacoma27, Aug 16, 2016
    #2
  3. Aug 16, 2016 at 8:26 AM
    #3
    yurtdweller

    #3
    yurtdweller [OP] Well-Known Member

    Joined:
    Jul 26, 2016
    Member:
    #192933
    Messages:
    55
    Vehicle:
    2003 Toyota Tacoma 2.7l
    @98tacoma27, the code is P0446 - EVAP Vent Control Solenoid Circuit Malfunction
     
    yurtdweller, Aug 16, 2016
    #3
  4. Aug 16, 2016 at 8:41 AM
    #4
    98tacoma27

    #4
    98tacoma27 is going full "SANDWICH" Moderator

    Joined:
    Dec 18, 2008
    Member:
    #11714
    Messages:
    67,858
    Gender:
    Male
    First Name:
    Ben
    Not Beech Creek
    Vehicle:
    05 Tundra SR5 (+295k AND COUNTING), 2006 F350 King Ranch 6.0L
    Some stuff. Not a lot, just some.
    That code will also pop if your gas cap is loose.
     
    98tacoma27, Aug 16, 2016
    #4
  5. Aug 16, 2016 at 7:29 PM
    #5
    mlcc

    #5
    mlcc Well-Known Member

    Joined:
    May 2, 2015
    Member:
    #154429
    Messages:
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    Oregon
    Vehicle:
    2002 DC TRD/ 1995 4runner
    Mid travel, armour all around
    You have some bad luck id suggest throwing some salt over your shoulder, that might help
     
    Last edited: Aug 23, 2016
    mlcc, Aug 16, 2016
    #5
  6. Aug 23, 2016 at 12:27 PM
    #6
    yurtdweller

    #6
    yurtdweller [OP] Well-Known Member

    Joined:
    Jul 26, 2016
    Member:
    #192933
    Messages:
    55
    Vehicle:
    2003 Toyota Tacoma 2.7l
    Welp, a valve on the canister is toast. Time to replace!
     
    yurtdweller, Aug 23, 2016
    #6

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