Nobody would ever think of changing just the bad sparkplugs, but many people don't hesitate to just replace the O2 sensor that is showing up as bad. Just replace both of them. When one goes bad, the other is about to follow. Save yourself some time and frustration in the future. Do them both.
On the end of the intake manifold, passenger side.
The coolant level sensor is on the bottom of the coolant reservoir located on the passenger side fender well.
located on the passenger side of the bellhousing. It detects notches on the flywheel/driveplate
The passenger compartment fuse panel is located on the driver
bank 1 is the passenger side of the engine in your Ford Mustang , and sensor 2 is after the exhaust has passed through the catalytic converter ( downstream )
They are located on the passenger side. Sensor1 is right past the exhaust manifold, and sensor 2 is after the cat.
It is located on the top of the passenger side dashboard. It is fitted into the speaker grille
Back of the trans, in the housing that the passenger axle goes into.
The MAP Sensor on a 1999 Tacoma is located on the top of the manifold. It is held on by a clip on the driver's side of the Electronic Fuel Injector (carburetor).
The bank 2, Oxygen sensor 2, on a 1999 Mitsubishi Diamante is located on the passenger side of the vehicle. It is in the exhaust in the undercarriage.
It is on the passenger side of the valve body, inside the transmission.
It is located in the front of the engine on the cylinder head. It's located on the passenger side of the vehicle.