Report: Rear oxygen sensor can cause emissions failure
Toyota Corolla Problem
Model Years Affected: 1996, 1997
The rear Oxygen sensors are a critical element in fuel control (unlike other vehicles) and can cause an emissions test failure for high CO and HCs. The sensing element cracks and and reports an erroneous steady state lean condition which confuses the engine computer.
Engine light code PO141. Replaced O2 sensor (Bank 1 Sensor 2), checked wiring from sensor to harness (OK), swapped EFI...
Q&A > Toyota > 1996 Toyota Corolla
Is the oxygen sensor covered under the Federal emissions law car has less than 80,000 miles. Toyota first said yes and when I went to make appointment they said no. Check engine light has been on ...
Q&A > Toyota > 2007 Toyota Corolla
I need picture this sensor and especially plug.
Q&A > Toyota > 2005 Toyota Corolla
how many oxygen sensors does this car have...and where are they located? are they also called mass. airflow sensors?....I had an oxygen sensor replaced a few weeks ago, my engine light was on.....n...
Q&A > Toyota > 2006 Toyota Corolla
My engine light has been on continuously since late April. In June, the mechanic hooked the car up to a hand-held computer and said I needed a new cat. converter but didn't need to hurry fixing it...
Q&A > Toyota > 1999 Toyota Corolla