P0430 Code - Page 2 - TundraTalk.net - Toyota Tundra Discussion Forum
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#16 (permalink) Old 09-24-2010, 02:12 PM
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Garage
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Sorry to bug you all again, but I have a friend that could hook me up with a good deal on an O2 sensor, so I need to be sure of what I want to get, and I've read conflicting responses...

Codes p0420 is code for Bank #1 = driver/left side
Codes p0430 is code for Bank #2 = passenger/right side?

Sensor 1 = before cat
Sensor 2 = after cat

Gas mileage is the best it's been lately, which is weird.

2003 Tundra V8 4x4 Access Cab TRD Offroad Edition, 157,000km
2004 Mazda RX-8 GT, Fully Loaded with Nav, 101,000km
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#17 (permalink) Old 03-24-2011, 12:47 PM
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Just a little update. It didn't take long for me to end up getting both codes repeatedly - P0420 and P0430 - so both sides were throwing codes. I replaced the front sensors first (husband insisted it must be fronts, although my money was on rears), and after a few months there was no change and I still got the codes. Then I replaced both rear sensors, and the codes are now gone - Yay! Don't need new cats, which I'm thrilled about. Truck now has 161,000km on it, or 100,000 miles.

2003 Tundra V8 4x4 Access Cab TRD Offroad Edition, 157,000km
2004 Mazda RX-8 GT, Fully Loaded with Nav, 101,000km
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