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Nissan murano code p0420 - Murano Nissan Cars & Trucks

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Catalyst system efficiency below threshold

need catalytic converter most likely
sorry

Hope this helps, it it does please leave feedback and vote Thank You and Good Luck

Posted on Jan 02, 2011

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Posted on Jan 02, 2017

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I have a nissan murano 2005 with the code p1701 and a p0340 how can i use them to repair these codes


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Got the same problem with my Nissan Murano 2003. Went to junk yard, got visors for fraction of the price Nissan was going to charge me: $350. Got both visors (driver & passenger) and also asked for both clips, that way it matches. Problem solved.

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What is wrong when this code shows up p0420 shows up..This is a 2006 nissan sentra


P0420 NISSAN - Catalytic Converter Efficiency Below Threshold Bank 1

The most common cause for the OBDII code P0420 on Nissan vehicles is the three way catalytic converter Bank 1 has reached the end of its useful life.. Since this is a very expensive part you need the code fully diagnosed as some other things like exhaust leaks or poor engine tune can cause it as well

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CODE PO420 CATALYST BELOW NORMAL BANK 1 .POSSIBLE CAUSE CATALTIC CONVERTER , WIRING , HO2S 2 HAVE VECHICLE PUT ON A SCANNER TO CHECK FUEL TRIM.A RICH FUEL MIXTURE WILL CAUSE THIS PROBLEM.MAKE SURE SPARK PLUGS AND WIRES GOOD AND FUEL INJCTORS ARE CLEANED NOT CAUSING ENGINE FLOODING MAKE SURE O2 SENSORS OKAY.IF YOU HAVE TO REPLACE THE CATALYTIC CONVERTER. AND FUEL SYSTEM STILL RICH IT WILL BURN OUT NEW CATALYTIC CONVERTER.YOU WILL BE REPLACING IT AGAIN.

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I have a 2002 Nissan Altima. Can anyone tell me what these codes are? And how to fix them? P0420

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Nissan cvt stock in low gear and wont change


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1 Answer

2003 nissan murano with check engine light codes P0420 and P0456


P0420 is Catalyst System Efficiency Below Threshold - Bank 1
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Obd code P0240/ 2003 nisson murano


Do you mean P0420?? If its a P0420 you need a catalytic convertor.

Jun 18, 2008 | 2003 Nissan Murano

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