Question about Toyota Cars & Trucks
I have a 2010 toyota camry hybrid ,it came in with an o2 heater code p0031 and i replcaced the o2 and now im getting a p2237 code [o2 sensor pumping current open b1 s1. i have put two after market o2s in and now have one from toyota and still the same thing . we have also scoped the air fuel side and are getting 3.3 volts and 2.9 volts . thanks for an input mike
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Posted on Jan 02, 2017
On toyotas this is almost always a failed o2 period. Take it somewhere and have it put in. On v6's it is not that easy to get to.
Posted on Jul 10, 2009
bank 1 sensor 1 il locates right infront of the catalytic converter . bank 1 sensor 2 is located in the catalytic converter
Posted on Jan 06, 2010
I had a similar problem with my car. It turned out the O2 sensors were fine and the issue was a leak in the throttle body causing the engine to run lean. If you have an ODB2 scanner you can look at fuel trims, etc and will be able to tell.
Posted on Mar 28, 2010
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