2007 honda pilot manual code p0420

I borrowed a scanner and tried to measure the oxygen sensor readings over time. Jan 23, 2010 i have a 2002 honda civic lx i just went to advanced and i got the codes p61 ignition system or misfire and p0420 catalytic efficiency below threshold bank 1 heres a little about my problem. Again, i used this sites info to decide that the cat had probably failed from the egr problem. Code p0430 means the catalytic converter that treats the exhaust for bank 1 has failed its testing. These manuals require a valid vin and mailing address. A faulty catalytic converter is the most frequent cause of a p0420 code. Find out what a p0420 code means, how to diagnose this problem and the common. Many owners have reported p0420 for the following makes. After replacing the front, o2, reread and had 1 code, then replaced the rear and had 0.

P0420 2002 crv 165k miles honda crv owners club forums. I have a 2007 honda civic hybrid ca version with 108,650 and the newest software updated applied. Specifically it says catalyst system efficiency below threshold bank 1. Common issues that can cause the p0420 code include. My cel came on, checked the codes and im throwing 2x p0420, same as you. As the code description implies the p0420 code means that the vehicles control module has detected that the threeway catalytic converter is not working properly is not as efficient as the factory is expecting. The p0420 code means that the vehicles control module has detected that the threeway catalytic converter is not working properly is not as efficient as the factory is expecting. P0420 code this means that the secondary o2 sensor detects that the catalytic converter isnt working as efficiently as it should. I am having a issue with p0420 check engine code coming on and off about four times per week. Warranty 880k miles covered the catalytic converter, but was told the warranty does not cover the o2 sensor. What is the cost to diagnose the p2422 honda code labor.

Honda pilot p0402 engine trouble code when your cars honda pilot p0402 check engine light comes on, its usually accompanied by a sinking feeling in the pit of your stomach. Problem was solved until just recently 117,000 when the p0420 code started reappearing. How to fix code p0420 or lack of acceleration on honda crv and. I also replaced the front and rear o2 sensors the rear was a scratch fest on my arms. Check engine light on wp0420 and freeze frame data. Aug 28, 2018 if the p0430 code is combined with other codes, try fixing the other codes first. Meaning of p0420 engine trouble code is a kind of powertrain trouble code and when your cars p0420 check engine light comes on, its usually accompanied by a sinking feeling in the pit of your stomach. Honda pilot p0087 engine trouble code honda pilot p0087 obd. When this code is stored by the ecu, the malfunction indicator lamp will come on. P0420 honda obdii codes engine light definitions diagnostic. I am looking for advice on a p0420 fault code for the rear o2 sensor catalytic converter background.

This p0420 obd2 code indicates that there is a problem with the catalytic converter, oxygen sensors or both. In the pilot, obdii p0420 is often caused by a bad oxygen sensor, but there can be other causes as well. This code number references a number that is given to you when you plug your honda pilot into a obdii scanner. Your pilot has at least two oxygen sensors, one before and after the catalytic converter. Replaced all 4 o2 sensors, then the car threw p0420 and p0430. A trip to autozone revealed a p0420 code from the obdii. The gist of the diagnostic procedure is to reset the mil when the engine is cold and then start up the truck. Your selection of a 2007 honda pilot was a wise investment. The ecm uses two o2 sensors, one in the front and one in the back of the catalytic converter, to measure the efficiency. However, the p0420 code popped up at about 111,000 and i replaced with an aftermarket oem fit catalytic converter eastern. There are a number of things that could be causing this p0420 catalyst efficiency code.

After months of normal driving with no problems, my 2003 honda civic ex check engine light came on during a long trip. A printed owners manual and navigation manual are complimentary to the first registered owner, up to six months after vehicle purchase. Read this post and then refer to this more detailed post. For the pilot, the 420 code is for the rear converter near the firewall and the 430 code is the front near the radiator. Jan 19, 2021 07 acura rdx emission system light on with error code p0420 in addition to all wheel drive error code 77.

Coming from a 2 door to a 4 door all wheel drive, well, i am impressed. Auto zone checked and found code p1456, emission control system leak detected fuel tank system four options. They said it could be a bad catalytic converter or oxygen sensor. The p0420 code is stored in memory when the ecu detects a low efficiency in the catalyst system for bank number 1 the bank of cylinders where cylinder number 1 is located.

I just replaced the bank 1 catalytic converter and both o2 sensors and both cam shaft position sensors. Mar 23, 2019 on my 2006 honda crv i get a p2271 code. Here is a link using my amazon associates account, it is a direct link for the part used in the video and it is the. As the code description implies the p0420 code means that the vehicles control module has detected that the threeway catalytic converter is not working properly. Honda especially on a honda accord, chevrolet, nissan, ford, and toyota.

Obdii diagnostic powertrain p trouble code for engine. Replacing the oxygen o2 sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. Honda pilot p0402 engine trouble code honda pilot p0402 obd. At the dealership, the diagnostic gave p0420 code internal fault with catalytic converter.

It doesnt matter which model you have, this obdii code has the same meaning for all of them 1996 models and newer. Honda accord questions showing code p0420 for the last 4. Obd code p0420 means the catalyst system efficiency is below the. Mar 11, 2020 then, the check engine light is triggered, and you get a p0420 engine code. P0420 is caused by bad o2 sensor, failing catalytic converter, or leak in. Dec 03, 2017 this is the highly detailed factory service repair manual for the2007 honda pilot, this service manual has detailed illustrations as well as step by step instructions,it is 100 percents complete and intact. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owners manual. One of the most common trouble codes with all honda vehicles is the p0420.

Mar 10, 2021 a p0420 code means that the engine control unit recognizes that the catalytic converters efficiency is below the threshold. Installing removal of catalytic converter is bank 1 n 2 valve adjustment and passenger side cv axle removal. Apr 15, 20 obd ii trouble code p0420 catalyst efficiency below threshold bank 1 is the code that lets you know that the catalytic converter on your 2. This is your first sign that there is a problem somewhere in the emission system.

The service consultant explained that over time, with age, contaminants build up in the converter and the expensive catalyst breaks down. To request a complimentary rear entertainment system booklet in braille for your 2019 pilot, 2019 odyssey, 2020 pilot, or 2020 odyssey. Mar 06, 2019 it covers honda pilot p0420 meaning, symptoms, causes, and possible solutions. For a printed owners manual, click on authorized manuals or go to. How can i be sure catalytic converter really needed to be. The car was due so i replaced the spark plugs 100k miles on my 2007 mdx. Honda pilot questions engine light on and drive indicator.

P0420 catalytic converter system, bank 1 efficiency below. Replacing the oxygen o2 sensors may sometimes fix the code, but in most cases, the catalytic convert needs to be replaced to fix the problem. Honda pilot p0430 obd2 code diagnosis drivetrain resource. Honda 2007 pilot owners manual pdf download manualslib.

As you read this manual, you will it will give you years of driving pleasure. The auto repair labor rates vary widely across the country, and even within the same city. There is a factory service bulletin a17036 for the following honda models. Repair manuals, such as those from chilton, are useful, but an alldata s. The ecu determines the efficiency of the catalytic converter cat using two sensors. Jun 26, 2018 the most common causes of code p0420 on late model honda applications are engine vacuum leaks and fuel trim issues.

Try replacing the rear 02get it from honda first, if you find no exhaust leaks, or air leaks. I wrote a much more detailed explanation of how an emission system works and what causes these codes. Honda pilot expensive problems and repair descriptions at. All my engines are protected with filtermag and mobil1 2007 pilot exl 178k miles 2012 civic lx 144k miles. It covers honda pilot p0420 meaning, symptoms, causes, and possible solutions. P0420 code on honda pilot 2005, yes but it comes back on, i. I had the exact same code, around the same miles, i replace the cat, the light still came on, i then replaced the rear 02, fixed the problem, may have been a combination of both, but the rear 02 is the cheapest. The code is reading, catalytic converter below threshold bank1. This method helped me avoid ever replacing the catalytic converter in my 20yearold honda. Took to dealership and diagnostic test showed code p0420. P0420 honda catalyst system efficiency below threshold bank 1. Code p0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your honda.

Jan 25, 2019 so your car or truck is running well, but that check engine light is on, with a code p0420 or p0430, and related catalyst efficiency below threshold codes. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. Since fuel trim percentagesvalues vary greatly between honda applications, proper diagnostic procedures must be followed in all instances of p0420 on any honda application to diagnose and correct fuel trim issues before a. Honda pilot p0420 engine trouble code honda pilot p0420 obd. Oct 11, 2018 code p0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your honda. To save paper and time, you can download the latest manuals now. A few months ago i would be driving my car and all the sudden it would slow down and would not accelerate over 25mph and the rmps would rev to 6000. Greetings, i have a 2012 honda odyssey with about 175k miles. P0420 catalyst system efficiency below threshold bank 1.

To purchase printed manuals, you can order online or contact. P0430 honda catalyst system efficiency below threshold bank 2. If the efficiency is low, the p0420 code will be triggered. Jul 03, 2017 p0420 code on honda pilot 2005, yes but it comes back on, i need to pass inspection, i am planning on doing it answered by a verified mechanic for honda we use cookies to give you the best possible experience on our website. How to fix code p0420 or lack of acceleration on honda crv.