O2 sensors in 2005

#1
Getting a P0420 code so I'd like to check my sensor. I can't find if there are two of them or just one on a 2005 and if it's inline or under the hood. Does anyone know?
 
#3
Sorry I'm late to the party. If you're replacing one or both, please do use the OEM parts, which are Denso. When I replaced my front oxygen sensor, I remember reading many folks who were unhappy with Bosch. No one every complained about Denso though. If you still need pics, I'll post them. Cheers.
 
#4
LOL - I bought one for cheap on Ebay, and it ended up being a fake that lasted 3 months, with expensive dealer diagnosis to figure out the intermittent failure. ONLY use real Toyota parts for anything emission related, including spark plugs.
The Ebay one looked exactly like the original, correct wire color, everything. Good copy job China!!!
 
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