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+--- Thread: 14 600 isx (/showthread.php?tid=1893)
14 600 isx - Boss - 07-08-2017
filter on frame is half full air bubbles from return line in tank. engine surges or vibrates intermitantly and I hear a small popping noise in air cleaners
RE: 14 600 isx - Squish099 - 07-08-2017
I assume 14 is the truck year? Sounds like you are getting air in the fuel system.. Cracked pickup? Loose fitting? Loose filter? Cracked fuel line?
RE: 14 600 isx - hhow55 - 07-09-2017
I'm thinking it could be a bad return fuel block valve, because of the surging.