1. Lower pressure in system. Disconnect a wire of the minus plug of the accumulator. |
2. Remove the block of the fuel pump. |
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3. Disconnect a wire of the sensor and connect an ohmmeter to contacts 2 and 3. Measure the sensor resistance when the lever of the measuring instrument is lowered completely down (the tank is empty) about 110-115 Ohms and when the lever is completely lifted (the tank is full) about 2-3 Ohms. When moving the lever resistance has to change evenly. |
4. If necessary replace the sensor. |