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 MANUALSSMART2009FORTWO BRABUS COUPE (451.333) L3-1.0L (132.930)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSFUEL TANK PRESSURE SENSORDESCRIPTION AND OPERATION
2009 Smart ForTwo BRABUS Coupe (451.333) L3-1.0L (132.930)
Fuel Tank Pressure Sensor: Description and Operation
2009 Smart ForTwo BRABUS Coupe (451.333) L3-1.0L (132.930)SECTION Description and Operation
GF47.30-P-2101MCU Fuel Tank Pressure Sensor, Component Description
B4/3 Fuel tank pressure sensor
Location
The tank pressure sensor is located on the top in the center of the fuel tank.
Task
The tank pressure sensor records the internal pressure of the fuel tank for checking leaks in the fuel system (leak test) and transmits a corresponding voltage signal to the ME-SFI [ME] control unit (N3/10). The power is supplied via the ME-SFI [ME] control unit.
RENDER: 1.0x
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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.