just go by an oil sending unit for 40 and see if thae fixes it. if it dont then quit driving it becasue i quit driving mine over that and replaced it now its fine

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1999 2 wd4 cyl2.5l5 spd135k
MODS:5% tint all around Night Shades (Extra Dark)Corners Thrid BrakeTails Air silence removed 2006 Mirrors Flowmaster Super 44 (Weld on & Turn down)
35W 5000K Hids