Wagoneer L6-242 4.0L VIN M FI (1988)
Fuel Filler Cap: Specifications
Pressure-Vacuum Filler Cap Relief
Wrangler ................................................................................................................................................................................7.7 kPa (1.1 psi) pressure
.................................................................................................................................................................. 5 kPa (1.5 in. Hg) vacuum
Cherokee/Commanche ........................................................................................................................................................... 10 kPa (1.5 psi) pressure
.................................................................................................................................................. 6 kPa (1.8 in. Hg) vacuum
