If you have a Ford vehicle that starts but runs rough and unresponsive when pressing the gas pedal, and you are getting the fault codes P0122 or P0223, this post is for you. We’ll explain the causes of these issues and how to fix them. In this demonstration, we’re using a Ford Focus, but the process will be similar for other Ford vehicles.
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When diagnosing the problem, it’s crucial to use a scanner to retrieve the fault codes from your car’s OBD connector. This will help identify the specific issues causing the rough engine performance and lack of response to the gas pedal.
Once the fault codes P0122 and P0223 have been identified, they point to an issue with the throttle position sensor switch. To further diagnose the problem, the live data feature of the scanner can be used to check if the sensors are functioning correctly.
If the throttle position sensor is not working correctly, it can lead to a malfunction of the throttle body, resulting in the symptoms described. Fortunately, replacing the throttle body can fix this problem. The procedure for replacing the throttle body is similar for most Ford vehicles and involves locating the air filter box, following the intake boot, and accessing the throttle body mounted on the intake manifold.
Once the throttle body has been replaced, the live data feature on the scanner can again be used to verify that the sensors are working properly. If everything checks out, the fault codes can be cleared, and the issue should be resolved.
After replacing the throttle body and clearing the fault codes, the engine should start and rev smoothly, indicating that the problem has been fixed.
We hope this guide helps you solve the issues with your Ford vehicle. Don’t forget to subscribe to our channel for more helpful tips and tutorials. Thank you for watching!
What should I do if my car has a fault that starts but runs rough and is not responsive when giving gas with error codes P0122 or P0233?
First, locate the OBD connector in your vehicle. Connect a scanner to read the codes, which may indicate an issue with the throttle position sensor switch 1 (P0122) or throttle position sensor switch 3 (P0233). Check for stowed and pending codes in both engine control modules. Then, use the scanner to check the live data and verify if the sensors are working. If found faulty, consider replacing the throttle body, following the specific procedure for your vehicle model.
How can I fix a malfunctioning throttle body in a Ford vehicle?
To fix a malfunctioning throttle body in a Ford vehicle, locate the air filter box, follow the intake boot to find the throttle body mounted on the intake manifold. Consider replacing the throttle body, following the specific procedure for your vehicle model. Disconnect the intake boot and any associated coolant lines, if applicable.
What should I do after replacing the throttle body in a Ford vehicle?
After replacing the throttle body, start the car without clearing any codes to ensure that it starts and revs up smoothly. Use a scanner to verify that the sensor is working, then erase the error codes and confirm that the issue has been resolved.