What does trouble code P0420 mean on Ford Explorer?

This page is meant to help you troubleshoot the Ford Explorer P0420 trouble code. It covers Ford Explorer P0420 meaning, symptoms, causes, and possible solutions. In the Explorer, OBDII P0420 is often caused by a bad oxygen sensor, but there can be other causes as well. One of the most common trouble codes with all Ford vehicles is the P0420.

What does P0420 mean for Ford catalyst system?

P0420 FORD Catalyst System Efficiency Below Threshold Bank 1: Code Meaning, Causes, Symptoms, & Tech Notes P0420 FORD | Catalyst System Efficiency Below Threshold Bank 1 | The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2

What does the OBDII code mean on a Ford Explorer?

Ford Explorer P0420 OBDII Code Defined. P0420 is a OBDII trouble code. The code technically stands for: Catalyst System Efficiency Below Threshold. Your Explorer has at least two oxygen sensors, one before and after the catalytic converter.

What does P0420 mean on a Toyota Prius?

Tech notes As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting).

What does the catalytic converter code P0420 mean?

The function of the catalytic converter is to break down harmful pollutants that are created by your Ford during the combustion cycle and convert them into harmless gases. Code P0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your Ford.

What does the OBD-II code p0421 mean?

What does the code mean? OBD-ii Code P0421 definition: Basically this means that the oxygen sensor downstream of the catalytic converter on bank 1 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

How much does it cost to repair a P0420 Ford engine light?

Please try again later. The cost of diagnosing the P0420 FORD code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

What is the trouble code on a Ford Explorer?

One of the most common trouble codes with all Ford vehicles is the P0420. This code number references a number that is given to you when you plug your Ford Explorer into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them.

How can I fix the P0420 code on my catalytic converter?

To fix the P0420 code, you need to diagnose what is causing the trouble code. Start with inspecting and diagnosing your catalytic converter and continue with checking the O2 sensors. What can cause a P0420 code? A bad catalytic converter is the most common cause of the p0420 code.

What does p0401 mean on a Ford engine?

P0401 FORD Meaning Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator.

Why is my Ford Explorer not passing emissions?

The software in your vehicle believes that the catalytic converter is no longer doing its job. If your vehicle has the P0420 code, it won’t pass emissions so please be aware of that. The P0420 code in a Ford Explorer will often be thrown one of your oxygen sensors are not functioning properly.

What exactly is code P0420?

The definition of the OBD-II P0420 code is ” Catalyst System Efficiency Below Threshold (Bank 1) “. When the ECU stores this code, it means that the catalytic converter is not operating at maximum efficiency and may need replacement. Car fault code: P0420

Is it important to fix code P0420?

Repairing error code p0420 is generally inexpensive, so there’s no major cause for concern if it appears. The P0420 diagnostic trouble code is known as a generic fault code. It is set when the Onboard Diagnostic II or OBD II catalyst monitor can sense a drop in its converter efficiency.

What does a computer code P0420 mean?

P0420 code is associated with catalytic converters. Catalytic converters break down the harmful pollutants generated during the combustion cycle. The converter is fitted with gold and platinum mesh to filter the exhaust fumes.

What does the service code P0420 mean?

P0420 is a trouble code that gets stored in your car engine’s control unit when it recognizes a problem with the catalytic converter’s efficiency . There are many different reasons for this, so you need to know how to diagnose this trouble code properly.

What does trouble code P0420 mean on Ford Explorer?