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2004 Chevrolet Silverado 1500 4.8L MIL Lamp on
Posted to GM Driveability on 2/24/2012 17 Replies

Hi All,

One of my customers has a 2004 chevy truck, 4.8liter engine that in a years time or 9 thousand miles that throws a p0430 code. It first came in with a p0430 code and a rattling converter. Replaced convertor and all showed good then in 1 year 8 thousan...

17 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 2GCEC19VX4
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / vortec
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIn About a Year

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN 2GCEC19VX4
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / vortec
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIn About a Year

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)