The 1998 Nissan Frontier OBD 2 port is under driver side dash near fuse cover
The speed sensor on the 1998 Nissan Frontier is located on the undercarriage on the passenger side of the vehicle. It is near the rear drive shaft on the transfer case.
It is located inside the evaporator case.
Filter locationBelow the Passenger side door, along side of the Truck's Frame. Silver colored cylinder with a hose attached at each end.
Its located on the top firewall on the driverside.
Its located in the transfer case
I found the diagram by googleing courtesy Nissan parts and searching forthat part name in the interior parts.
Its underneath the air filter. Just remove the air filter and the outer casing, it should be under there.
it on the right side bottom back of engine
how can I clean the Idle Air Control Valve on a 1998 Nissan Frontier
the computer should be under the dash to the right of the gas pedal
The 1998 Nissan Frontier pickup truck turn signal relay switch is located beneath the drivers side dashboard. The turn signal relay switch will be above the brake pedal.