INSPECTION <4D5, 4N1>




WATER LEVEL SWITCH CHECK


1.Connect the circuit tester to the water level switch.

2.There should be continuity when the float is raised, while there is no continuity when it is lowered.
3.Replace the fuel filter assembly if it is faulty.

FUEL FILTER VACUUM SWITCH CHECK <Some models>



1.Connect the circuit tester to the fuel filter vacuum switch and check to see that there is continuity between the terminals.
2.Replace the fuel filter assembly if it is faulty.