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.
Characteristic curve and setpoint values
The fuel pressure information is sent to the engine control across a signal line. The fuel pressure signal for evaluation fluctuates depending on the pressure. The measuring range of approx. 0.5 - 4.5 volts corresponds to a fuel pressure of 0.1 MPa (1 bar) to 1.1 MPa (11 bar).
| Index | Explanation |
|---|---|
| 1 | Voltage |
| 2 | Fuel pressure characteristic curve |
| 3 | Temperature |
Please note the following setpoint values for the fuel low-pressure sensor:
| Size | Value |
|---|---|
| Fuel low-pressure sensor voltage range | 0.5 to 4.5 volts |
| Fuel pressure measuring range | 1 to 11 bar |
| Maximum output current | 8 mA |
| Temperature range | -40 °C to 140 °C |
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.