P0420

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's Engine Control Module (ECM) on a 2020-present Toyota Highlander XU70.

The P0420 code indicates that the catalytic converter efficiency is below the threshold for a Toyota Highlander XU70 (2020-Present). This typically suggests an issue with the catalytic converter, oxygen sensors, or exhaust leaks.

The P0420 code indicates that the catalytic converter efficiency is below the threshold for the Toyota Highlander XU70 (2020-Present), suggesting an issue with the exhaust system.

The P0420 code indicates that the catalytic converter on a Toyota Highlander XU70 (2020-Present) is not functioning as efficiently as required, which can lead to increased emissions and potential engine performance issues.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold, specifically in the Toyota Highlander XU70 (2020-Present). This may lead to increased emissions and potential engine performance issues.

The P0420 code indicates a "Catalytic Converter Efficiency Below Threshold" issue on a 2020-Present Toyota Highlander (XU70). This may lead to reduced engine performance and increased emissions.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the manufacturer in a 2020-present Toyota Highlander XU70. This can lead to increased emissions and potential engine performance issues.

The check engine light is illuminated on a 2020-Present Toyota Highlander XU70, and the diagnostic trouble code (DTC) P0420 indicates a catalytic converter efficiency issue.

The user is seeking to determine if the catalytic converter on their Toyota Highlander is malfunctioning or bad.

The Toyota Highlander (Third Generation, 2014-2019) is displaying a P0420 trouble code, indicating a potential issue with the catalytic converter's efficiency.

The check engine light on a 2014-2019 Toyota Highlander (Third Generation) is continuously illuminating, indicating a potential issue with the vehicle's engine or emissions system that requires diagnosis and repair.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold for the Toyota Highlander XU70 (2020-Present).

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's Engine Control Module (ECM) on a 2020-present Toyota Highlander XU70.

The vehicle is experiencing a P0420 trouble code, indicating a catalyst efficiency issue on a 2020-Present Toyota Highlander XU70.

The P0420 code indicates a "Catalytic Converter System Efficiency Below Threshold (Bank 1)" error on a 2020-Present Toyota Highlander XU70, suggesting that the catalytic converter's performance is subpar.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the manufacturer. This issue is reported for the Toyota Highlander XU70, model years 2020 to present.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the manufacturer in a 2020-present Toyota Highlander XU70. This could be due to a failing catalytic converter, faulty oxygen sensors, or exhaust leaks.

The P0420 code indicates a problem with the catalytic converter efficiency in a 2020-Present Toyota Highlander, specifically within the XU70 generation. This code suggests that the catalytic converter is not performing as expected.

The P0420 code indicates a failure in the catalytic converter efficiency on a 2020-present Toyota Highlander (XU70). This issue may lead to increased emissions and may require further inspection to identify the underlying cause.

The P0420 code indicates a "Catalyst System Efficiency Below Threshold" for your Toyota Highlander XU70 (2020-Present). This code suggests that the vehicle's engine control module (ECM) has detected that the catalytic converter is not performing as efficiently as expected.

The check engine light is illuminated on a 2020-present Toyota Highlander XU70, indicating a potential issue with the vehicle's engine or related systems.

The error code P0420 indicates that the catalytic converter's efficiency is below the threshold, which can affect the performance and emissions of your 2020-present Toyota Highlander XU70.

The P0420 code indicates a potential issue with the catalytic converter efficiency on a 2020-present Toyota Highlander XU70. This can lead to increased emissions and may affect vehicle performance.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's manufacturer. This issue is commonly found in the Toyota Highlander XU70 models from 2020 to present.

The Toyota Highlander XU70 (2020-Present) has illuminated the check engine light, and the diagnostic trouble code (DTC) P0420 indicates a potential issue with the vehicle's catalytic converter efficiency.

The Toyota Highlander XU70 (2020-Present) has a check engine light illuminated with a diagnostic trouble code (DTC) P0420, indicating a potential issue with the catalytic converter's efficiency.

The P0420 code indicates that the catalytic converter is not functioning efficiently on a 2020-Present Toyota Highlander XU70, which may affect vehicle emissions and performance.

The P0420 code indicates a problem with the catalytic converter's efficiency on a 2020-present Toyota Highlander XU70. This may lead to increased emissions and could affect vehicle performance.

The P0420 code indicates that the catalytic converter efficiency is below the threshold set by the manufacturer in a Toyota Highlander XU70 (2020-Present).

The P0420 code indicates "Catalyst System Efficiency Below Threshold (Bank 1)" on a 2020-present Toyota Highlander XU70. This issue suggests that the catalytic converter may not be functioning effectively.

The check engine light is illuminated on a 2020-present Toyota Highlander (XU70), indicating a potential issue with the engine or emissions system.

The P0420 code indicates that the catalytic converter’s efficiency is below the required threshold on a 2020-present Toyota Highlander XU70. This typically signifies a problem with the catalytic converter, oxygen sensors, or exhaust system.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control module (ECM) for a 2020-present Toyota Highlander XU70.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control module (ECM) on a Toyota Highlander XU70 (2020-Present).

The P0420 code indicates that the catalytic converter efficiency is below the threshold for your 2020 Toyota Highlander XU70, suggesting potential issues with the catalytic converter or related components.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the engine control module (ECM) on a 2020-present Toyota Highlander XU70.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's manufacturer, specifically for a Toyota Highlander XU70 (2020-Present). This code typically suggests issues with the catalytic converter, oxygen sensors, or exhaust system.

The P0420 code indicates that the Catalyst System Efficiency Below Threshold has been detected in a 2020-present Toyota Highlander XU70. This suggests an issue with the catalytic converter or the oxygen sensors.

The P0420 code indicates that the catalytic converter efficiency is below the threshold for the Toyota Highlander XU70 (2020-Present). This often suggests a failing catalytic converter or issues with the oxygen sensors.

The Toyota Highlander XU70 (2020-Present) is displaying a P0420 diagnostic trouble code (DTC), which indicates a problem with the catalytic converter efficiency.

The catalytic converter in a Toyota Highlander XU70 (2020-Present) may be experiencing issues such as poor performance or triggering the check engine light.

The P0420 code indicates a problem with the catalytic converter efficiency on a Toyota Highlander XU70 (2020-Present). This code suggests that the catalytic converter is not performing as intended, which can lead to increased emissions and potential engine performance issues.

The P0420 code indicates that the catalytic converter efficiency is below the required threshold in the Toyota Highlander XU70 (2020-Present), which can lead to increased emissions and reduced engine performance.

The P0420 code indicates that the catalytic converter is not functioning efficiently in a Toyota Highlander XU70 (2020-Present). This can lead to increased emissions and may affect vehicle performance.

The P0420 code indicates a problem with the catalytic converter efficiency in a 2020-present Toyota Highlander (XU70). This code typically suggests that the catalytic converter is not performing optimally, which can lead to increased emissions.

The P0420 code indicates that the catalytic converter efficiency is below the threshold in a 2020-present Toyota Highlander XU70. This may lead to increased emissions and can affect vehicle performance.

The P0420 code indicates that the engine control module (ECM) has detected a malfunction in the catalytic converter's efficiency on a Toyota Highlander XU70 (2020-Present).

The P0420 code indicates a problem with the catalytic converter efficiency in a 2014-2019 Toyota Highlander, suggesting that the catalytic converter is not functioning optimally.

The P0420 code indicates "Catalyst System Efficiency Below Threshold (Bank 1)" for your 2014-2019 Toyota Highlander. This typically suggests a problem with the catalytic converter or the associated oxygen sensors.

The vehicle, a Toyota Highlander Third Generation (2014-2019), is experiencing issues related to a failing catalytic converter, which may cause reduced engine performance and increased emissions.

The vehicle, a Toyota Highlander Third Generation (2014-2019), is displaying a P0420 code, indicating an issue with the catalyst system efficiency below the threshold, typically related to the catalytic converter.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control module (ECM) on a Toyota Highlander from the third generation (2014-2019).

The vehicle, a Toyota Highlander Third Generation (2014-2019), is displaying a P0420 trouble code, indicating that the catalytic converter's efficiency is below the threshold set by the manufacturer.

The P0420 code indicates that the catalytic converter efficiency is below the threshold set by the manufacturer on a 2014-2019 Toyota Highlander, which may lead to increased emissions and potential vehicle performance issues.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's Engine Control Module (ECM) in a 2014-2019 Toyota Highlander. This often leads to increased emissions and can affect vehicle performance.

The P0420 code indicates that the catalytic converter efficiency is below the threshold set by the vehicle's manufacturer, specifically for a 2014-2019 Toyota Highlander. This could lead to increased emissions and may affect vehicle performance.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold on a Toyota Highlander. This may result from various factors affecting the exhaust system or fuel mixture.

The P0420 code indicates that the Engine Control Module (ECM) has detected a malfunction in the catalytic converter efficiency in a Toyota Highlander. This code typically occurs when the catalytic converter is not performing efficiently, as suggested by the readings from the oxygen sensors.

The presence of a P0420 code in a Toyota Highlander indicates a problem with the catalytic converter's efficiency. This code suggests that the catalyst is not functioning optimally, which can lead to increased emissions.

The P0420 code indicates that the engine control module (ECM) has detected a fault with the catalytic converter efficiency in a Toyota Highlander, typically from the third generation (2008-2013).