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2002 Chevrolet Silverado 1500 4.3L MIL Lamp on
hi guys thanks ahead of time, what i have is code po420 comes on after truck is driven ten miles evert time, started after it came in with hard start when wet, so we tune it up with new wires, cap, rotor, coil, check all four 02 sensor they are switching good,...
FIX posted 7/26/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCEC14W62 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After 10 Miles |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2002 Chevrolet Silverado 1500
| VIN | 1GCEC14W62 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After 10 Miles |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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