could there be fuel pump problems,due to runnin under half a tank,gettin on it!

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Old 04-01-2006, 03:00 PM
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Default could there be fuel pump problems,due to runnin under half a tank,gettin on it!

something i would just like to know,from heresay!turbo question.
Old 04-01-2006, 03:21 PM
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Default Re: could there be fuel pump problems,due to runnin under half a tank,gettin on it! (moesrex)

log your fuel pressure, that would tell you
Old 04-02-2006, 07:54 AM
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Default Re: could there be fuel pump problems,due to runnin under half a tank,gettin on it! (Dturbocivic)

I never run less than half a tank at the track. I saw a thread on here where someone didnt have enough gas and when they made a pass the fuel pump sucked in some air and he blew his motor.
Old 04-02-2006, 04:03 PM
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Default Re: could there be fuel pump problems,due to runnin under half a tank,gettin on it! (TurboCoop)

I think you would have to have a lot less than half tank with a stock location pickup. I would notice my old turbo single cam would run .5-.75 AFR points leaner if the gauge was reading just under the red line. Im sure if i ripped some long corners or something it would have gone too lean but I was careful when it was that low.
Old 04-02-2006, 04:18 PM
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Default Re: could there be fuel pump problems,due to runnin under half a tank,gettin on it! (Bailhatch)

I have had the car lean out in 4th gear at the track due to a low fuel level in the tank. I pumped in 2 gallons and the problem went away. This was with a 255lph walbro. I've had it happen with 1/4 tank on the fuel gauge.
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