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2013 Chevrolet Silverado 3500 HD WT 6.6L MIL Lamp on
Ok guys, please help me find what I'm missing here. Have a P204B code with only 49-52 psi of def pump pressure. No visible leaks found. Replaced reservoir, pump, and the injector. Still not building up enough pressure when doing leak test. Visually checked lin...
FIX posted 3/25/2018
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GB4KZC8XD |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P204B | Reductant pressure sensor performance |
Message Closed w/FIX
Vehicle Data
2013 Chevrolet Silverado 3500 HD WT
| VIN | 1GB4KZC8XD |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P204B | Reductant pressure sensor performance |
Video