P0420

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

The check engine light on your 2020-present Toyota Highlander (Fourth Generation) keeps illuminating, indicating a potential issue with the vehicle's engine or related systems.

The check engine light intermittently illuminates and turns off in a 2020-present Toyota Highlander, indicating potential issues with the engine or related systems.

The check engine light on a 2020-present Toyota Highlander (Fourth Generation) keeps illuminating, indicating an underlying issue that needs to be diagnosed and resolved.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold for a Toyota Highlander, typically affecting models from 2001 onwards.

The P0420 code indicates a catalyst system efficiency below the threshold for bank 1 on your Toyota Highlander (Fourth Generation, 2020-present). This code often points to issues with the catalytic converter or the oxygen sensors.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the manufacturer for a 2020-present Toyota Highlander. This often points to issues with the catalytic converter, oxygen sensors, or exhaust leaks.

The vehicle is experiencing a P0420 trouble code, indicating that the catalytic converter efficiency is below the threshold, specifically in a Toyota Highlander Fourth Generation (2020-present).

The vehicle is experiencing a P0420 error code, indicating a catalyst system efficiency below threshold in a 2020-present Toyota Highlander. This typically suggests issues with the catalytic converter or related components.

The P0420 code indicates "Catalyst System Efficiency Below Threshold (Bank 1)" in a 2020-present Toyota Highlander. This suggests that the catalytic converter is not functioning efficiently.

The P0420 code indicates that the catalytic converter efficiency is below the threshold set by the manufacturer on a 2020-present Toyota Highlander. This code can lead to increased emissions and reduced engine performance.

The P0420 code indicates "Catalyst System Efficiency Below Threshold (Bank 1)" in a 2020-present Toyota Highlander, suggesting potential issues with the catalytic converter or the oxygen sensors.

The P0420 code indicates a potential issue with the catalytic converter efficiency in a 2020-present Toyota Highlander, which may lead to increased emissions and decreased engine performance.

The P0420 code indicates a malfunction in the catalytic converter system efficiency for a Toyota Highlander (Fourth Generation, 2020-present). This typically suggests that the catalytic converter is not functioning within the expected parameters.

The vehicle's onboard diagnostic system has detected a catalytic converter efficiency issue, resulting in the P0420 trouble code for a Toyota Highlander Fourth Generation (2020-present).

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold in a Toyota Highlander Fourth Generation (2020-present).

The vehicle is displaying a P0420 trouble code, indicating a potential issue with the catalytic converter efficiency on a 2020-present Toyota Highlander (Fourth Generation).

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's onboard diagnostics system in a Toyota Highlander Fourth Generation (2020-present).

The vehicle is displaying a P0420 trouble code, indicating a potential issue with the catalytic converter efficiency on a Toyota Highlander Fourth Generation (2020-present).

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold in a 2020-present Toyota Highlander (Fourth Generation). This often points to issues within the exhaust system, including the catalytic converter itself or upstream and downstream oxygen sensors.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold in a 2020-present Toyota Highlander, suggesting potential issues with the catalytic converter or related exhaust components.

The P0420 code indicates that the catalytic converter’s efficiency is below the threshold set by the vehicle’s engine control module (ECM) in your Toyota Highlander Fourth Generation (2020-present).

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

The P0420 code on a 2020-present Toyota Highlander indicates that the catalytic converter's efficiency is below the required threshold. This may lead to increased emissions and could affect vehicle performance.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold specified by the vehicle's manufacturer, affecting the exhaust system of a Toyota Highlander Fourth Generation (2020-present).

The P0420 code indicates that the catalytic converter efficiency is below the threshold for the Toyota Highlander Fourth Generation (2020-present). This issue may lead to increased emissions and reduced engine performance.

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

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

The P0420 code indicates a "Catalytic Converter Efficiency Below Threshold" issue in a Toyota Highlander Fourth Generation (2020-present). This code suggests that the catalytic converter is not performing efficiently, which could lead to increased emissions.

The P0420 error code indicates a problem with the catalytic converter's efficiency in a 2020-present Toyota Highlander. This code typically signifies that the catalytic converter is not performing as expected, which can lead to increased emissions and reduced engine performance.

The trouble code P0420 indicates that the catalytic converter on a Toyota Highlander (Fourth Generation, 2020-present) is not performing efficiently, suggesting a potential issue with the catalytic converter itself or the vehicle's exhaust system.

The P0420 code indicates a "Catalyst System Efficiency Below Threshold (Bank 1)" issue in a 2020-present Toyota Highlander. This code may persistently return even after initial repairs.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold in a Toyota Highlander Fourth Generation (2020-present). This typically suggests an issue with the catalytic converter itself, exhaust leaks, or sensor malfunctions.

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 Toyota Highlander Fourth Generation (2020-present).

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control unit (ECU) on a Toyota Highlander Fourth Generation (2020-present).

The vehicle is experiencing a P0420 code, indicating that the catalytic converter's efficiency is below the threshold set by the engine control module (ECM) on a Toyota Highlander Fourth Generation (2020-present).

The Toyota Highlander Fourth Generation (2020-present) is experiencing a P0420 trouble code, which indicates a problem with the catalytic converter efficiency.

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 Fourth Generation (2020-present).

The Toyota Highlander Fourth Generation (2020-present) is throwing a P0420 code, indicating an issue related to the catalytic converter efficiency being below the required threshold.

A P0420 code indicates a "Catalyst System Efficiency Below Threshold" for a Toyota Highlander Fourth Generation (2020-present), suggesting that the catalytic converter may not be functioning effectively.

The P0420 code indicates that the catalytic converter is not performing efficiently in the Toyota Highlander XU70 (2020-Present), suggesting potential issues with the converter or related components.

The P0420 code indicates "Catalytic Converter System Efficiency Below Threshold (Bank 1)" in a 2020-present Toyota Highlander XU70. This issue persists even after the catalytic converter has been replaced.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold, which can lead to increased emissions and potential performance issues in the 2020-Present Toyota Highlander XU70.

The vehicle is experiencing a P0420 code, indicating "Catalytic Converter Efficiency Below Threshold," specifically for a 2020-present Toyota Highlander XU70. This suggests that the catalytic converter may not be functioning effectively.

The P0420 code indicates that the catalytic converter's efficiency is below the required threshold on a 2020-present Toyota Highlander XU70. This typically points to an issue with the catalytic converter or related components.

The Toyota Highlander XU70 (2020-Present) is displaying a P0420 code, indicating a potential issue with the catalytic converter's efficiency.

The P0420 code indicates a catalyst system efficiency below the threshold, specifically for a Toyota Highlander XU70 (2020-Present). This typically points to issues with the catalytic converter or the oxygen sensors.

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

The vehicle is displaying a P0420 code, which indicates that the catalytic converter efficiency is below the threshold for one or more of the engine's operating conditions in a Toyota Highlander XU70 (2020-Present).

The error code P0420 indicates a problem with the catalytic converter's efficiency in a 2020-present Toyota Highlander XU70, suggesting that the catalytic converter is not performing as efficiently as it should.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's manufacturer on a 2020 Toyota Highlander XU70. This could lead to increased emissions and may affect engine performance.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's manufacturer, specifically for the Toyota Highlander XU70 (2020-Present). This issue can lead to increased emissions and may affect engine performance.

The vehicle is displaying a P0420 trouble code, indicating a potential issue with the catalytic converter's efficiency on a 2020-Present Toyota Highlander (XU70).

The P0420 code indicates a problem with the catalytic converter efficiency on a 2020-present Toyota Highlander XU70, suggesting that the catalytic converter is not functioning optimally.

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

The P0420 code indicates a potential issue with the catalytic converter efficiency on a 2020-present Toyota Highlander XU70. This code is triggered when the engine control module (ECM) detects that the catalytic converter is not performing as expected.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold for a 2020-present Toyota Highlander XU70, suggesting issues with the catalytic converter or its related components.

The vehicle is experiencing decreased engine performance and increased exhaust back pressure, indicating a clogged catalytic converter in a 2020-present Toyota Highlander XU70.

The P0420 code indicates a problem with the catalytic converter efficiency in a 2020-present Toyota Highlander XU70. This code may trigger the check engine light and can lead to reduced vehicle performance and increased emissions.

The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control unit (ECU) in a Toyota Highlander Fourth Generation (2020-present).