Fuel filter light
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Freshman User
Joined: Dec 2004
Posts: 49
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Fuel filter light
Fuel filter light comes on everyday after 15 to 20 minutes of driving. the light goes off and comes back on as I am driving down the road. Any ideas why this might be? the water in fuel light has not came on and I just changed the filter!!
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
Probably one drop of water was trapped in the bottom of filter and was setting off the light, as the truck moved it would go over the contact. When you changed filter the water went with it.
Senior User
Joined: Dec 2004
Posts: 172
Likes: 0
My truck did this once and it turned out to be the lift pump getting weak. The IP was basically siphoning fuel from the tank. The light would come on under acceleration and once hit cruising speed would go back off.
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