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International Automotive Technicians Network
2002 Nissan Altima 2.5L MIL Lamp on
Posted to Asian Driveability on 1/31/2004 22 Replies

Any of you Nissan techs familiar with this? Car came in with the MIL illuminated, had a code P0420 (catalyst efficiency) stored. Looks like they look for too much oxygen sensor variation on the post cat O2 sensor. Watched O2 sensors on a scope on a road test, ...

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  Related Documents & Media  2002 Nissan Altima

 
Message Closed w/FIX

car Vehicle Data

2002 Nissan Altima

VIN 1N4AL11D62
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

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

car Vehicle Data

2002 Nissan Altima

VIN 1N4AL11D62
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)