FUEL FILTER LIGHT

2007 Isuzu NPR

Tiny

jagerruler

January, 5, 2011 AT 11:17 PM

I have a 2007 isuzu npr with the fuel filter light on, on the dash. I have replaced the filter. What are some possible causes that the light is still on?

FOUND 2502 RELATED QUESTIONS

1 Answer

Tiny

saturntech9

January, 5, 2011 AT 11:55 PM

This is all I can find on your problem hope it help's.
Fuel Sedimenter Switch

Fuel System

Inspection

1. Check that there is continuity between the switch connector terminals when the float in the fuel sedimenter is above the water drain line.
2. Turn on the ignition switch, remove the fuel sedimenter connector, and connect the terminals of the connectors on the harness side. Confirm that the sedimenter warning lamp lights up.

If abnormalities are detected during the check, replace the switch parts and carry out repairs in case of defective connection between circuits or short circuits.

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