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 MANUALSCHEVROLET2000EXPRESS 3/4 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONDESCRIPTION AND OPERATIONFUEL METERINGFUEL METERING SYSTEM COMPONENTSFUEL SUPPLY COMPONENTS
2000 Chevrolet Express 3/4 Ton Van V8-5.7L VIN R
Fuel Supply Components
2000 Chevrolet Express 3/4 Ton Van V8-5.7L VIN RSECTION Fuel Supply Components
The fuel metering system consists of the following parts:
^ The fuel supply components (fuel tank, pump, lines)
^ The fuel pump electrical circuit
^ The fuel meter body assembly which includes the following components:
- The fuel injectors and poppet nozzles
- The fuel pressure regulator
- The electrical wiring harness
^ The upper manifold assembly which includes the following items:
- The throttle body
- The Idle Air Control (IAC) Valve
- The Throttle Position (TP) Sensor
- The Manifold Absolute Pressure (MAP) Sensor
^ The fuel supply components (fuel tank, pump, lines)
^ The fuel pump electrical circuit
^ The fuel meter body assembly which includes the following components:
- The fuel injectors and poppet nozzles
- The fuel pressure regulator
- The electrical wiring harness
^ The upper manifold assembly which includes the following items:
- The throttle body
- The Idle Air Control (IAC) Valve
- The Throttle Position (TP) Sensor
- The Manifold Absolute Pressure (MAP) Sensor
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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.