![]() > Click here to get FIXD for $19.99 for a limited time! You can even use FIXD to clear the fault codes on your Escape and see if your fix worked, or simply turn off codes that aren’t serious. The FIXD Sensor and app can help you diagnose and fix P0420 yourself by giving you access to detailed engine diagnostics that are easy to understand (even if you don’t know cars), live OBD2 data, and a Mechanic Hotline. The first step is to get it diagnosed to figure out what is causing the catalytic converter fault. P0420 is not one of the top 5 trouble codes for the Ford Escape but, it is still a common one.Leaded Gasoline (the root cause of converter failure).Rich or Lean air-fuel ratio (the root cause of converter failure).Misfire (the root cause of converter failure).Worn or internally failing catalytic converter (Most Common).Our P0420 guide can walk you through how to save money and diagnose this yourself. It’s important to look for other codes that could indicate the root cause of converter failure, such as misfires or an incorrect air-fuel ratio. The most common reason for check engine code P0420 is catalytic converter failure, but there are other potential causes for this code. ![]() YearĬonverter has failed (check for physical damage and discoloration) The chart below shows the most likely repair and cost range for Escapes for all of the years that FIXD has data on. Most Likely Repair And Cost For Ford Escape P0420 By Year Code P0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by the vehicle. The function of the catalytic converter is to break down harmful pollutants that are created by your Ford Escape during the combustion cycle and convert them into less harmful gases. You can take your car into a shop, or click here to save money by fixing P0420 yourself with FIXD! ![]() There are many variables that could cause this code. Diagnosis: The most common cause of Ford Escape P0420 is a bad catalytic converter, but it can be caused by anything from a faulty oxygen sensor to a rich or lean running condition, or misfires.Repair Urgency: Get this code fixed as soon as possible to avoid further damage to your emission system and possible engine damage.Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage.Ford Escape P0420 definition: Catalyst system efficiency below threshold (Bank 1).
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