Questions tagged [p1135]

P1135 Oxygen Sensor Bank 1 Sensor 1 fault

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P1135 code on 2003 Toyota RAV4

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 ...
Tim's user avatar
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3 votes
1 answer
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Check engine light 2005 Toyota Camry

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 ...
dave's user avatar
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3 votes
5 answers
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2002 Toyota Camry V6 Check Engine Light Code P1135

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 ...
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1 vote
1 answer
5k views

2000 Lexus ES 300 Showing P1135 and P1155 codes

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 ...
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6 votes
4 answers
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How do I resolve error code P1135 in my Toyota Camry?

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 ...
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