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1998 Chevrolet K1500 Suburban LS 5.7L MIL Lamp on
Need some insight to this problem. Scan readings of 02 b1s2 shows 70mv steady and 02 b2s2 about 720mv steady on fully warmed up system. Both waveforms have some slight activity as it should in respect to the front 02 waveforms. Cranking test of exhaust shows 9...
FIX posted 3/5/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 3GNFK16R2W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet K1500 Suburban LS
| VIN | 3GNFK16R2W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video