P0133 CODE WONT GO AWAY!

2001 Toyota Corolla

Tiny

Matt2012

May, 21, 2012 AT 9:29 PM

Hello:

I have a code p0133 that wont go away. So, far I have replaced the following: 2 sensors before and after catalytic converter and before. Used Bosch brand and wasn't sure if it matters OEM denso, or Bosch is fine. Also, I have replaced the catalytic converter and put a universal unit on. But the light with the description of : slow response bank 1 unit 1 will not go away. Can someone please advise what is going on with my baby car?
Thank you, Matt

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1 Answer

Tiny

rasmataz

May, 21, 2012 AT 10:03 PM

Check for an exhaust leak and inspect oxygen sensor wire for frayed/broken

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