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Fuel pump problem?


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Posted

To make it short, the fuel pump went out in my 96 k1500 with the 350 vortex last summer. Had it changed. It started right up without a fight. The problem I’m having is that ever since I had it changed, the truck bogs down like it is running out of gas when I’m at a little more than a quarter of a tank. I also noticed that my mpg has been way down and that instead of getting 300-350 miles on a tank of gas, I’m only getting to about 200. Any advice?

Posted

Did the fuel filter get changed?

Next time it's low, or really at any level, check the fuel pressure. It should be 60-66 psi with ignition on, engine off, and, once the ignition is off, it should hold within a few pounds for several minutes.


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Posted

Sounds like the fuel filter could cause this.  If you change it and it doesn't, at least you got that maintenance done anyway.  

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