WHERE IS THE FUEL FILTER ON MY 1999 HONDA ACCORD, 4 CYL Oct 05, 2009where is the fuel filter on my 1999 honda accord, 4 cyl and how often do i need to change it? can a clogged filter affect my fuel mileage? i have 122,000 miles on my honda and the fuel mileage has dropped from 34 mpg to 26 mpg. 99 honda accord fuel filter | eBay Find great deals on eBay for 99 honda accord fuel filter. Shop with confidence. Skip to main content. eBay Logo: Item Location. see all. 98-99 Honda Accord OEM fuel gas line hose V6 *from fuel filter to rail. Pre-Owned. $44. Guaranteed by Wed, May. 22.