Functional description
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The fuel pressure sensor delivers a voltage signal to the DDE. A diaphragm in the fuel pressure sensor channels the fuel pressure which is converted into a voltage signal by 4 pressure-sensitive resistors.
The fuel pressure and temperature sensor contains a temperature-dependent resistor that protrudes into the fuel and reaches its temperature. The resistor has a negative temperature coefficient (NTC). The resistance is less as the temperature increases.
The resistance changes from 75.5 kΩ to 87.6 Ω temperature-dependent, which corresponds to a temperature of -40 °C to 120 ° C.
| Item | Explanation |
|---|---|
| 1 | 4-pin plug connection |
| 2 | Fuel pressure and temperature sensor |
| 3 | Fuel delivery line |
| 4 | High pressure pump |