I have a Toyota RAV4 2003 and the CEL used to come on and off, but now lately it stay on all the time. I did check with OBD reader and the car had a P1135. I did check the voltage on upstream and ...
I am getting a P1135 code on my 2005 Toyota Camry.I have replaced the A/F sensor first with a Bosch then with a Denso. I am still getting the same trouble code almost immediately after starting the ...
I have a 2002 Camry V6 with 149,000 miles. My check engine light is on. The code is P1135 Bank1 Sensor1. I purchased an Upstream O2 sensor (Bosch) from AutoZone and changed the front one (right behind ...
This auto has 22k miles and both sensors were changed a year ago about 2k miles with OEM parts. Can anyone tell me how to test these? they have 2 black leads a blue and a white lead. I have voltage to ...
I recently replaced the downstream O2 sensor in my Toyota Camry. Shortly thereafter, the check engine like came on again providing the following codes: P1135 which I understand to be the upstream ...