Problem on 94 Dodge truck.

United States
October 13, 2006 6:48am CST
My truck seems to shudder when I get low on fuel. At first I thought there was water in my tank, but I put the fuel additive in the tank and the shudder still occurs when the tank approaches the 1/4 full mark. The shudder occurs intermittantly and at all speeds but I must be accelerating. As I get lower on fuel it gets worse. after I fill the tank, it almost disappears entirely. It will not shudder when I am in park and give it gas. I must have the vehicle in gear. Any ideas on what is happening?
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