high fuel pressure
#1
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Join Date: Jan 2006
Location: St. Gregor Saskatchewan Canada
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high fuel pressure
I have a 392 walbro feul pump on my truck. It usually run about 20 to 23 psi of fuel pressure until I mash the pedal. Yesterday when I started my truck the fuel pressure was at 35 to 40 lbs of pressure. I changed fuel filter and it did not change. With the pedal mashed it still runs 30 lbs of pressure. Sould I be concerned about this. Any info would be helpful.
#3
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it could be the bypass valve sticking. it only takes a couple of minutes to rip it out of there, take it apart, and clean it.
De-burr the piston while you're in there.
Mine did the same thing once, went in, cleaned, de-burred, and its been working great ever since
De-burr the piston while you're in there.
Mine did the same thing once, went in, cleaned, de-burred, and its been working great ever since
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