Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2024SIERRA 2500 HD DENALI ULTIMATEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSELECTRICAL COMPONENT LOCATOR AND WIRING HARNESS ROUTING VIEWSCOMPONENT LOCATORWHEELS/VEHICLE UNDERBODY COMPONENT VIEWSFUEL TANK COMPONENTS (L8T)
2024 GMC Sierra 2500 HD Denali Ultimate
Fuel Tank Components (L8T)
2024 GMC Sierra 2500 HD Denali UltimateSECTION Fuel Tank Components (L8T)
| Items |
|---|
| B394 Evaporative Emission Canister Purge System Pressure Sensor B394 Evaporative Emission Canister Purge System Pressure Sensor |
| Q64 Evaporative Emission System Switching Valve (L8T) Q64 Evaporative Emission System Switching Valve |
| B150 Fuel Tank Pressure Sensor (L8T) B150 Fuel Tank Pressure Sensor (FHS) , or B150 Fuel Tank Pressure Sensor (L8T & N2L) , or B150 Fuel Tank Pressure Sensor (L8T & N2N) , or B150 Fuel Tank Pressure Sensor (N2M) |
| A7 Fuel Tank Fuel Pump Module A7 Fuel Tank Fuel Pump Module |
| B47 Fuel Pressure Sensor B47 Fuel Pressure Sensor (L5P) , or B47 Fuel Pressure Sensor (L8T) , or B47 Fuel Pressure Sensor (L8T - N2N) |
| Q13 Evaporative Emission Canister Vent Solenoid Valve Q13 Evaporative Emission Canister Vent Solenoid Valve (L8T) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.