How often to change fass fuel filters
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Nov 30, 2019 · I have fuel PSI gauges for my FASS and the secondary filter installed on my truck. For about 2 months I noticed the secondary gauge was bouncing the needle 5 psi or so. I figured it was the actual pump going bad and not the pump safety relief.
2005 chevy 3500 Duramax/Allison 4x4, dual tanks. Recently my fuel gauge has dropped to empty all the time regardless of fuel level. It is only sucking fuel from the front tank now as well. Any one have any ideas on what it could be? Any help would be greatly appreciated.