× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2001 Nissan Pathfinder LE 3.5L MIL Lamp on
Posted to Asian Driveability on 9/23/2008 8 Replies

As I stated , after replacing both cam sensors and the maf sensor codes po300, po171, p1145 all went away, But were replaced with p1491 (evap) po420 (cat efficiency) po430 (cat efficiency)..These "new codes" make me suspect that the system is doing a more comp...

8 Replies Received (View Replies)

  Related Documents & Media  2001 Nissan Pathfinder LE

 
Message Closed w/FIX

car Vehicle Data

2001 Nissan Pathfinder LE

VIN JN8DRO7Y41
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
P1491EGR Valve Lift Sensor Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2001 Nissan Pathfinder LE

VIN JN8DRO7Y41
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
P1491EGR Valve Lift Sensor Insufficient Flow Detected