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Joined: Feb 2004
Posts: 963 Likes: 1
BerraquÃsima! 2000 Toyota Celica GT
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BerraquÃsima!
2000 Toyota Celica GT
Joined: Feb 2004
Posts: 963 Likes: 1 |
has been acting weird. It comes on, then off, then on...  I got the code pulled @ Autozone: P0420 This is what I found here https://celicahobby.com/ubbthreads/thread.f_1870112628_0_collapsed_2__1.htmlCEL - Diagnostic Trouble Code Chart DTC No. : P0420 Detection Item:Catalist System efficency below threshold (bank 1) Trouble area :- gas leak in exhaust system - open or short in heated oxygen sensor circuit - Heated oxygen sensor - threeway catalyctic converter  Is this a serious problem? what should I check first?
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Joined: May 2004
Posts: 2,971
Boobie Vision 2000 Toyota Celica
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Boobie Vision
2000 Toyota Celica
Joined: May 2004
Posts: 2,971 |
beats me bro
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Joined: Jun 2004
Posts: 1,374 Likes: 1
Specialist 2002 Toyota Celica
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Specialist
2002 Toyota Celica
Joined: Jun 2004
Posts: 1,374 Likes: 1 |
I get my kicks on EC.
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Joined: Oct 2004
Posts: 22
Member 2000 Toyota Celica GT
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Member
2000 Toyota Celica GT
Joined: Oct 2004
Posts: 22 |
dude you should try to check the cat o2 sensor i had that problem a while ago. is your making any noise?
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Joined: Aug 2003
Posts: 371
Member 2003 Toyota Celica
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Member
2003 Toyota Celica
Joined: Aug 2003
Posts: 371 |
Isaac just had that problem. Toyota replaced everything under warrenty, because of some laws in Cali. Go to Toyota and have them check it out.  I think the problem was the rear O2 sensor on the exhaust after the cat. But I don't remember, anyway, check with a dealer.
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Joined: Aug 2003
Posts: 4,265
TheFilipinoCrew 2000 Toyota Celica GT
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TheFilipinoCrew
2000 Toyota Celica GT
Joined: Aug 2003
Posts: 4,265 |
Isaac just had that problem. Toyota replaced everything under warrenty, because of some laws in Cali. Go to Toyota and have them check it out. I think the problem was the rear O2 sensor on the exhaust after the cat. But I don't remember, anyway, check with a dealer. haha heather that avatar of your is hilarious... oh btw...Morris is a girl...for those who didn't know. 
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Joined: August 2004
Random: If you drop your keys in lava, forget about'em, cause man, they're gone.
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