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2003 Dodge Ram 1500 SLT 4.7L MIL Lamp on
Posted to Chrysler Driveability on 3/20/2012 11 Replies

I guess one of my biggest problems is Mitchell has no info on these 2 codes. Can someone kinda give me a clue of where to start. Is this usually a convertor fault or o2 sensor fault?

Thanks, Nate

11 Replies Received (View Replies)

  Related Documents & Media  2003 Dodge Ram 1500 SLT

 
Message Closed w/FIX

car Vehicle Data

2003 Dodge Ram 1500 SLT

VIN 1D7HU18N23
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)
Message Closed w/FIX

car Vehicle Data

2003 Dodge Ram 1500 SLT

VIN 1D7HU18N23
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)