P0420 nissan murano 2009

OBD Code P is an extremely common indicator of p0420 nissan murano 2009 issue with the operating efficiency of your Nissan Murano's catalytic converter, so it's letting you know by flipping on the check engine light hopefully before you fail an emissions test. This code basically means that the engine's O2 sensors associated with your Nissan Murano's Catalytic Converter have informed the electronic control unit ECU that the catalytic converter isn't doing its job well enough or perhaps at all.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. It has been running great otherwise, despite it has K miles on it

P0420 nissan murano 2009

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Cryogenix1 67 Replies.

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This page is meant to help you troubleshoot the Nissan Murano P trouble code. A failing oxygen sensor or bad catalytic converter are the most common causes of P Catalyst system efficiency is the percentage of these chemicals removed from the exhaust system. Oxygen sensors measure these pollutants. When the readings from the upstream and downstream oxygen sensors show similar readings not enough pollutants expelled from the exhaust , your vehicle will throw the service engine soon light P This can happen for three reasons:. You can ignore this section if your Murano has an inline engine or if the exhaust manifolds merge into one pipe before the catalytic converter.

P0420 nissan murano 2009

Log in. Sign up. Home Forums General Problems. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I am new to this forum so please forgive me if I don't do something right. Anyway, my oldest daughter brought her Murano home with the check engine light on. I checked the codes and it is a P I have read through other posts on this forum and there seems to be 3 possible causes, and 3 fixes. FIXES: Replace the converter, replace the sensor s , fool the O2 sensor by either using a spark plug fowler or using some type of home-made electronic assembly with a resistor.

My c-s link

They tend to be affordable — just pick one up from Amazon or an auto parts store. Light kept on this entire time, even when I was parking it at work. The car does not appear to burn any additional fuel and no other issues have been noticed since the light went on. Look under that area and you will see it. Just crawl under in between the front and rear door passenger side and locate the 02 sensor connected to the CAT. The car works great for the mileage and hopefully a cat doesn't need to be replaced. Discuss specs, safety rating, towing capacity and more! This code basically means that the engine's O2 sensors associated with your Nissan Murano's Catalytic Converter have informed the electronic control unit ECU that the catalytic converter isn't doing its job well enough or perhaps at all. We like this selection of O2 sensors for catalytic converters. Deals Forum. I don't think I could do the non-fouler without having everything needed at hand like a good garage. Doesn't need anything fancy, any of the generic reader out there should let you reset the CEL and erase the code. Its not the firewall or radiator side pre CAT.

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Please consider creating a new thread. Sign up. I need coffee 41 Replies. I don't think I could do the non-fouler without having everything needed at hand like a good garage. For a better experience, please enable JavaScript in your browser before proceeding. Any suggestions otherwise? Not sure, you need to disconnect the bottom pipe to reach the O2 sensor. I was looking at partsgeek. You can access it from the front without removing anything. Its small and hard to reach. I could also try putting in the Techron concentrate, even though I was going to try some seafoam originally. As always, we strive for accuracy, but do your own research — we're not responsible for how you use the information here. Look under that area and you will see it.