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Surging Vibration at Idle
Hey Guys. I've got an early 99 that I only drive about 10,000 miles/year now. For about a year now I've heard a vibration, humming noise at idle. It's like it surges. I felt like it was the fuel pump sucking air so I planned to do the hutch mod and the harpoon mod while I was at it. Well, I did the mods this week and I have about 150 miles on it now and the vibration is different now I think, but it's still there. I can crawl under it and the fuel tank is vibrating. I'm glad that I did the mods. Everything is much quieter now but I need to get this fixed. I've had it 11 years now and plan to keep it another one at least. Thanks for the help in advance. Anybody know what this could be?
early99, 7.3 PSD, ZF6, Banks Stinger(Guages, chip, 4"turbo back, bighead wastegate actuator), Dieselsite Boots, LUK clutch, Moog balljoints, Leveling lift, LineX bedliner,236,00+ with various beauty marks, DP tuner in my future, Hutch mod, Harpood mod, Bilstein shocks
Last edited by stout99; 09-05-2009 at 08:07 PM.