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2005 Nissan Altima S 2.5L MIL Lamp on
Posted to Asian Driveability on 4/14/2009 10 Replies

Help!! I have 2005 nissan altima with a 2.5 ltr engine and it keeps setting p0420. The cat has been changed twice both are aftermarket the a/f ratio sensor was changed we called nissan and was told the computer update was done. Any help would be greatly appric...

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  Related Documents & Media  2005 Nissan Altima S

 
Message Closed w/FIX

car Vehicle Data

2005 Nissan Altima S

VIN 1N4AL11D85
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2005 Nissan Altima S

VIN 1N4AL11D85
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)