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1997 GMC C1500 Sierra SL 5.0L MIL Lamp on
MIL light on only intermittenly replaced EGR vavlve with delco and clean passage and plentum with cleaner also check for exhaust restriction only showed 1/2 lb at 2500 rpms
FIX posted 11/25/2000
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Message Closed
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Related Documents & Media 
| VIN | 2GTEC19M4V |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / fuel injected |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1406 | EGR Valve Pintle Position Circuit Malfunction |
Message Closed
Vehicle Data
1997 GMC C1500 Sierra SL
| VIN | 2GTEC19M4V |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / fuel injected |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1406 | EGR Valve Pintle Position Circuit Malfunction |
Video