Regular 87 octane works fine.
1998 S10 pickup truck come with a 18.5 gas tank.
the computer should be under the dash to the right of the gas pedal
" regular " unleaded , 87 octane
unleaded
Premium Unleaded 91 octane fuel.
On a 1998 Ford Mustang : ( No ) The fuel FILTER is underneath the vehicle , near the gas tank , going towards the front of the vehicle * the ELECTRIC fuel PUMP is inside the gas tank ( I believe it has a " sock " on the end of the pickup
Only high octane gas can be used around 92
table x
Used Premium Gas
sounds Like the pickup tube in the tank is bad.
No. Premium grade gasoline is required by Mercedes-Benz. To use a lower grade could cause engine damage.Source: FuelEconomy.gov:1998 Mercedes-BenzE320 Sedan -- See the related link.
XG16, TG16, HM16, DG16 or PH16 will all fit for gas engines.