2000 Avalon XLS P0420 - Catalytic converter issues

7 messages, Last post on Dec 23, 2008 at 7:12 AM

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#6 of 7 Re: 2000 Avalon XLS P0420 - Catalytic converter issues [bill5105] by njavalonguy Jul 28, 2008 (6:48 am)
Replying to: bill5105 (Jul 26, 2008 3:30 pm) the code which was there on my car was P0420 which went off on its own and then i got a new code P0170 which went away after i replaced the mass air flow sensor (MAF).
#7 of 7 Re: 2000 Avalon XLS P0420 - Catalytic converter issues [njavalonguy] by tbcavalon Dec 23, 2008 (7:12 am)
Replying to: njavalonguy (Mar 06, 2008 7:19 pm) Could be O2 sensor. See post here: http://www.toyotanation.com/forum/showthread.php?t=186167