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How do I correct my 2000 Toyota Camry CE P0420 code?

Tiny
WHEFRS
  • MEMBER
  • 2000 TOYOTA 4RUNNER
How do I correct my 2000 Toyota Camry CE P0420 code?
Tuesday, May 22nd, 2012 AT 10:06 AM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Probably a faulty O2 sensor, check that the plug is light and pins are not corroded first.
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Tuesday, May 22nd, 2012 AT 10:25 AM
Tiny
JESSICANN
  • MEMBER
  • 3 POSTS
Flashing the computer is needed. There is a computer update program to resolve the "false code P0420". There is a TSB for this.

Toyota dealer is the only place you can get the flash installed.
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Thursday, May 24th, 2012 AT 2:52 AM

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