'mystery fuel' damage fuel pump??

exmarJune 10, 2011

OK, I've seen the "mystery fuel" we buy at the pumps blamed for a lot of sins here and in other forums. Did some blaming myself as a matter of fact.

Just replaced the fuel pump in my '97 F-150, 4.2L, the interesting thing is that I replaced it in 2007 also. Chatting with some mechanic friends, they all are of the opinion that after market fuel pumps don't last as long, but 4 years seems a little short. They don't know my luck..

Wondering if an additive would have helped prolong life, or if the trucks's low mileage (5,000 a year) is a factor.

I replace the fuel filter every other year given the low mileage.

I realize it's my fault, I'm supposed to replace the truck every five years. :-)


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bummer, I got 350 k miles out my BMW's FP. Running an electric pump out of gas will kill 'em fast. When I'm messing around with my spare pump, I run a little MMO through it.

    Bookmark   June 10, 2011 at 6:29PM
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I had 89 tempo that didn't have fuel pump problem till it was recalled to replace the fuel pump. after that it when out every 10,000 miles.

    Bookmark   June 10, 2011 at 9:44PM
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