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Old August 8th, 2009, 12:22 PM   #9
booblinker
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Join Date: 10-29-06
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What engine? I have a 4.9 that does the same thing, the reason it drops to nothing is when it senses less then 5 psi, it drops to 0, kinda like an idiot light but in a gauge. I have ran my for 10k so far, and it still makes no noise, and ran great until I broke something else. As long as you aren't getting noise from the engine I wouldn't worry about it.
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