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 MANUALSCHEVROLET2006EXPRESS 2500 V8-6.6L DSL TURBO VIN 2REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSFUEL PRESSURE SENSORSERVICE AND REPAIR
2006 Chevrolet Express 2500 V8-6.6L DSL Turbo VIN 2
Fuel Pressure Sensor: Service and Repair
2006 Chevrolet Express 2500 V8-6.6L DSL Turbo VIN 2SECTION Service and Repair
FUEL RAIL PRESSURE (FRP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the engine cover.
2. Remove the air cleaner outlet duct.
3. Remove the exhaust gas recirculation (EGR) cooler tube.
4. Remove the EGR cooler heat protector bolt (1) and protector (2).
5. Disconnect the fuel rail pressure sensor electrical connector (4).
6. Prior to removal, clean the fuel pressure sensor and surrounding area thoroughly with solvent, such as GM P/N 12377981 (Canadian P/N 10953463) or equivalent.
7. Using compressed air, thoroughly blow dry the sensor and surrounding area.
8. Remove the fuel pressure sensor (3).
INSTALLATION PROCEDURE
1. Install the fuel pressure sensor (3).
NOTE: Refer to Fastener Notice.
Tighten the sensor to 70 N.m (52 lb ft).
2. Connect the fuel rail pressure sensor electrical connector (4).
3. Install the EGR cooler heat protector (2) and bolt (1).
Tighten the bolt to 25 N.m (18 lb ft).
4. Install the EGR cooler tube.
5. Install the air cleaner outlet duct.
6. Prime the fuel system. Refer to Fuel System Priming.
7. Start the engine. If the engine stalls, repeat the above step.
8. Once the engine starts, inspect for fuel leaks.
9. Install the engine cover.
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.