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the o2 sensors switch lean rich lean rich and adjust the fuel trim (long term and short term) so bank 2 sensor 1 is the o2 sensor, then the cat, then sensor 2 monitors the catalyst reaction or efficiency. if this don't jive with the computer parameters then a p0430 code is set.
After replacing the bank 2 sensor 2 it seems the problem has been fixed a bit, but not by too much.
I was wondering... what should the reading be on the TPS(throttle position sensor) when the intake is closed? I think mine was reading over 20 when my foot was off the gas.
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