
1997 Chevrolet K1500 Suburban LS 5.7L MIL Lamp on
Hi guys, I have 2 Suburbans like this bugging me at the same time. Both have the same symptoms. The front O2 sensors read fine but on cruise one or both of the after cat O2 sensors are overactive. I can see that the cats are not doing a complete job but why? I...
FIX posted 4/20/2004
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Message Closed w/FIX
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VIN | 1GNFK16R2V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CPI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet K1500 Suburban LS
VIN | 1GNFK16R2V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CPI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |