worse gas mileage after seafoam

Discussion in 'The Garage' started by phil_the_thrill, Oct 12, 2006.

  1. phil_the_thrill

    phil_the_thrill Active Member

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    has anyone ran seafoam in their gas tank? i did about a month ago and i heard that it was supposed to increase gas mileage but i've noticed a definite 1-2 mpg decrease. has anyone had the same problem??? maybe i need to change my fuel filter. what do you guys think?
     
  2. 97vertstang

    97vertstang Well-Known Member

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    i gained around 1-2mpg. thats a good idea to change ur fuel filter, i just changed mine yesterday and car started up better.