Irradic Fuel Pressie
So im drivin home tonight and all is good, and all of a sudden my fuel pressure guage starts jumping around like crazy. jumps from 10psi to 30 psi irradicly. the truck has the "grease gun" style sending unit with a snubber valve in it. I didnt install it, but bought it like that. if anyone could shed some light itd be appreciated
Also not sure if it helps but its a gloshift guage. Thanks, Colin |
whats the pump
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out of tank. vp
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Could be the guage. I had an isspro fuel guage that bounced around and had a rattle to it. I replaced it and it cleared up. Local diesel shop said it was probably a defective guage. They said it was probably the snubber. I replaced it and the guage at the same time. Problem solved.
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It must be my snubber valve, cause now it just says its pegged at 30. I'll have to tear into it tomorrow and see
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Bad sending unit for the gauge. Went through 3 on my old truck in 3 months with a snubber. Glow shifts fuel pressure sending units seem to be junk for us. My buddies ps just had his go bad after 3 months. But id replace the gauge with a quality one and use a needle valve as a snubber
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Ive heard the Gloshifts were kind of sucky gauges. But again i didnt put them in. Ill just have to try a new snubber first
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if the snubber went bad more than likely the sending unit on the gauge is bad now to. Happened to mine when who installed the gauge failed to even put a snubber on
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I went through 3 Glowshit FP sensors (with snubber valve installed). Finally on the 4th one i made up a foot long hose and ran it off the banjo fitting on my VP44. Has been good for about 4 months now.
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snubbers are junk. Hard to find one worth a damn.
you are better off to use a needle valve instead and just barely open it a crack... it should cause the gauge to sweep slowly and take a couple seconds to read full pressure if it is set properly. |
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