Warning! See warnings at the beginning of the Section Relieving pressure in the fuel system.
Examination
1. Remove the fuel pump assembly with the fuel flow sensor from the tank (see section Removal and installation the fuel pump).
2. Connect an ohmmeter to the corresponding two terminals of the sensor connector.
3. Lower the assembly float to its lowest position (empty tank) and read the ohmmeter reading. Compare the result with the Specifications.
4. Move the float to its highest position (full tank) and repeat the measurement. Again compare the result with the nominal value.
5. If the measurement results are outside the permissible ranges, or the uniformity of the readings change when the float is moved is disrupted, the sensor assembly should be replaced.
6. On 1993 and 1994 models, remove the fuel pump from the mounting bracket and transfer it to the new assembly (see section Removal and installation the fuel pump). On models since 1995, transfer the fuel temperature sensor to the new assembly.
7. Install the assembly in its regular place in the gas tank (don't forget to replace the o-ring).
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8. Further installation is carried out in the reverse order of dismantling the components.