P0135 Ford: Understanding and Troubleshooting the Oxygen Sensor issue

If you’re experiencing the P0135 code in your Ford vehicle, don’t worry because we’ve got you covered. P0135 is related to the upstream oxygen sensor or the sensor before the catalytic converter. In this post, we’ll guide you through the process of diagnosing and fixing the P0135 code in your Ford vehicle. Whether you have a Ford Focus, Fusion, Escape, or any other Ford model, this guide will provide you with valuable insights to resolve the issue.

Step 1: Diagnosis

The first step is to connect a scanner to your car’s OBD port. By reading the codes and checking the live data, you can pinpoint the exact issue with the oxygen sensor. In our demonstration, we used a scanner to identify the P0135 code related to the oxygen sensor heater circuit bank one sensor one.

Step 2: Replacement

After diagnosing the problem, the next step is to replace the oxygen sensor. In the video, we have provided links to the tools and the replacement oxygen sensor. It’s important to use the right tools for the job to ensure a smooth replacement process. Once the new sensor is installed, it’s time to clear the error code and check the live data to confirm that the sensor is functioning correctly.

Step 3: Verification

By checking the live data after the sensor replacement, you can verify if the issue has been resolved. The oxygen sensor’s readings should respond accordingly as the engine is revved, indicating that the new sensor is functioning as intended.

We hope this guide helps you resolve the P0135 code in your Ford vehicle. Remember to subscribe to our channel for more helpful videos like this. If you have any questions or need further assistance, feel free to reach out. Thank you for watching!

What does the diagnostic trouble code P0135 for a Ford vehicle indicate?

The diagnostic trouble code P0135 relates to the upstream oxygen sensor, also known as sensor one or the oxygen sensor before the catalytic converter.

What are the symptoms of having the P0135 code?

The symptoms of having the P0135 code may include the engine light being on, a potential loss of power, decreased fuel economy, and possible hesitation. Additionally, the vehicle may not pass emissions testing.

How can the P0135 code be diagnosed using a scanner?

To diagnose the P0135 code using a scanner, it is important to first connect the scanner to the OBD port in the vehicle. Then, read the stored and pending codes to identify the specific issue. Live data can also be used to check the parameters of the oxygen sensor.

What is the replacement procedure for the oxygen sensor to fix the P0135 code?

To fix the P0135 code, the oxygen sensor before the catalytic converter needs to be replaced. The replacement procedure involves accessing the exhaust manifold, locating the sensor, and using a suitable socket and ratchet for removal and installation.

How can the functionality of the new oxygen sensor be verified?

After replacing the oxygen sensor, it is important to use a scanner to erase the stored code and then check the live data to verify the functionality of the new sensor. The live data should show the oxygen sensor’s parameters changing as the engine is revved, indicating its proper operation.

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