| Repair Guides | Fuel Filter | Removal & Installation The fuel filter on the LS 400 and 2001-04 LS 430 is located under the vehicle on the left side before the rear axle. The fuel filter for ES 330, IS 250/IS 350, IS 300, and 2005-06 LS 430 models are in integral component of the in-tank fuel pump assembly. Refer to the Fuel Pump Removal procedure. Camaro and Firebird: How to Replace Fuel Filter - LS1Tech Mar 02, 2016Camaro and Firebird: How to Replace Fuel Filter. Step 1 – Prepare to remove fuel filter. Camaro and Firebird Air Intake Reviews and Installing Cold Air Intake Air Intake Reviews and How-to Let your LS engine breathe. This article applies to Fuel Filters - Advance Auto Parts Over time, it becomes necessary to replace your automotive fuel filter. The particles it filters get caught within the media and the housing, resulting in a restricted flow. When the filter is at capacity, it can cause your engine to misfire, hesitate or even stall, leaving you stranded or struggling to reach your destination.