Originally Posted by KiLLeR2001

When you pull out the assembly check out the fuel level sensor. You will see as it moves along a circle, it touches little contact points each representing a gradual spot on the fuel gauge. S13 fuel tank capacity is just under 16 gallons so make sure you're actually at a full tank. You can do this by waiting till you get to the 1/2 way marker, then go fill up to 8 gallons exactly. It should put you right at the full mark maybe even a bit above!