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Nissan
Pathfinder
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
Trouble code P0420
2014 NISSAN PATHFINDER
146,723 MILES • 3.5L • 6 CYL • 4WD • AUTOMATIC
KMCCONKEY92
MEMBER
1 POST
Trouble code P0420-Catalyst System: Efficiency Below Threshold (Bank 1).
Jan 1, 2020 at 3:53 AM
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ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
Good evening,
You need the cat converter for bank1. The precious metals are worn out and it needs to be replaced.
If you have less than 80,000 on your car then it is a warranty item.
Roy
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Jan 1, 2020 at 8:29 AM
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