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 MANUALSGMC2013SIERRA 2500 4WD V8-6.0L (CNG)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSFUEL TANK PRESSURE SENSORSERVICE AND REPAIR
2013 GMC Sierra 2500 4WD V8-6.0L (CNG)
Fuel Tank Pressure Sensor: Service and Repair
2013 GMC Sierra 2500 4WD V8-6.0L (CNG)SECTION Service and Repair
Fuel Tank Pressure Sensor Replacement (25/35 Series)
Removal Procedure
1. Remove the fuel tank. Refer to Fuel Tank Replacement (25 Ext/Crew Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (15 Reg/Ext/Crew Cab w/34 Gal Tank) Removal and ReplacementFuel Tank Replacement (Cab/Chassis - Rear) Removal and ReplacementFuel Tank Replacement (Cab/Chassis - Front) Removal and ReplacementFuel Tank Replacement (15 Ext/Crew Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (35 Reg/Ext/Crew Cab With 34 Gal Tank) Removal and ReplacementFuel Tank Replacement (15 Rec Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (15/25 Reg/Ext/Crw Cab With 34 Gal Tnk) Removal and Replacement.
2. Remove the fuel tank pressure sensor by pulling straight up using a slight rocking motion.
Installation Procedure
1. Install the fuel tank pressure sensor.
2. Install the fuel tank pressure sensor cover.
3. Install the fuel tank. Refer to Fuel Tank Replacement (25 Ext/Crew Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (15 Reg/Ext/Crew Cab w/34 Gal Tank) Removal and ReplacementFuel Tank Replacement (Cab/Chassis - Rear) Removal and ReplacementFuel Tank Replacement (Cab/Chassis - Front) Removal and ReplacementFuel Tank Replacement (15 Ext/Crew Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (35 Reg/Ext/Crew Cab With 34 Gal Tank) Removal and ReplacementFuel Tank Replacement (15 Rec Cab With 26 Gal Tank) Removal and ReplacementFuel Tank Replacement (15/25 Reg/Ext/Crw Cab With 34 Gal Tnk) Removal and Replacement.
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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.