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Old 04-07-2013, 07:04 AM
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Fuel Filter ....

So my dash light flickers and stays on from time to time....

Assuming it's time for a fuel filter.

I have the filter already.

Do I have to "reset" the light, or will it go out on its own ??

Also, what are the intervals, every other oil change, every oil change ??

Thanks ...
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Old 04-07-2013, 09:49 AM
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It goes out on its own. Light is triggered when there's to much resistance. I usuaully change mine every 10k miles.
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Old 04-07-2013, 05:31 PM
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That's what I figured ... every other oil change ?
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Old 04-07-2013, 06:54 PM
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I go 5000 between oil changes and change the fuel and air filter every third.


Nate
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Old 04-09-2013, 09:21 PM
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Ok, so I changed out the filter, and the light still glows....

Sensor ?
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Old 04-09-2013, 09:42 PM
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Have you cleaned any sediment from the bowl as well?
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Old 04-10-2013, 04:20 AM
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Quote:
Originally Posted by 351fifty View Post
Have you cleaned any sediment from the bowl as well?
Uuuuhh, ya ... sure did, yeap....all clean !

The bowl did look clean, but I will pull it out again ... suck out the fuel, and make sure the second time !!

Thanks !
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Old 04-11-2013, 11:54 PM
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I understand the "fuel filter" light is connected to a vacuum sender on the side of the fuel bowl.

I have read somewhere that it is triggered at seven inches of mercury (vacuum).

If you have a vacuum gauge, you possibly could get a fitting to adapt it to where the sender is located and read the vacuum. If the vacuum is high and the fuel filter is clean, it could indicate an obstruction in the fuel line from the tank's pickup tube to the engine.

If the vacuum is normal (well below seven inches?), then perhaps the sender is faulty. By the way, normally the vacuum level is lower when at idle than when the engine is under load.

The sender is noted for leaking fuel on some trucks, which indicates it should be changed.
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Old 04-12-2013, 07:33 AM
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I will definitely try this and report back
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