Code P0135?

Tiny
CALEB WAGEMAN
  • MEMBER
  • 2016 FORD FUSION
  • 2.0L
  • 4 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 89,000 MILES
I want to know the location of this sensor so I can replace it.
Wednesday, May 17th, 2023 AT 8:40 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,940 POSTS
Sure, here is the sensor location so you can change it out.

Here is more information on the code:

The P0135 code indicates a malfunction in the oxygen sensor circuit for bank 1 sensor 1. Here's what you need to know about this error code:

Definition: The P0135 code specifically refers to the oxygen sensor located before the catalytic converter in the exhaust system, known as bank 1 sensor 1. This sensor monitors the oxygen content in the exhaust gases and helps the engine control module (ECM) adjust the air-fuel mixture for optimal performance and emissions.

Possible Causes: The code can be triggered by various factors, including a faulty oxygen sensor, damaged wiring or connectors associated with the oxygen sensor, or an issue with the ECM.

Symptoms: Common symptoms of a P0135 code may include poor fuel economy, rough idle, hesitation or lack of power, and an illuminated check engine light.

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Wednesday, May 17th, 2023 AT 11:11 AM
Tiny
CALEB WAGEMAN
  • MEMBER
  • 2 POSTS
I just replaced that sensor; I replaced it when I installed my new downpipe and cat back. Previous owner had installed a bad after market down pipe and cat back. I used a Bosch 17319 for that sensor and the code on my reader said that the O2 heater circuit was not working. I am able to clear the code and I cleared it last night. It popped back up this morning when I was leaving for work and I was able to clear it again.
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Wednesday, May 17th, 2023 AT 11:20 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,940 POSTS
Okay, please check the fuse #8 20 amp in the fuse panel under the hood. Here is a guide to help to check the fuse for power with the key on:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please go over this guide and get back to us.
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Thursday, May 18th, 2023 AT 11:32 AM

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