
1996 GMC K1500 Sierra SL 5.7L MIL Lamp on, Code P0430
After a major tune up vehicle was driven for about a week before mil came back on with a P0430 stored. Does this vehicle have a bad converter? Can a fuel injection flush bring it back. Any one ran into this problem. Not the first one I've seen. 1999 Chevrolet ...
FIX posted 6/23/2004
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Message Closed w/FIX
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VIN | 2GTEK19ROT |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Code P0430 |
Occurs | After Driving for a Couple of Days |
Trouble Codes
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
1996 GMC K1500 Sierra SL
VIN | 2GTEK19ROT |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Code P0430 |
Occurs | After Driving for a Couple of Days |
Trouble Codes
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |