how do you get to it
The fuse box for a 1998 Oldsmobile Achieva is in between the dashboard and the driver's side door.
Which engine?
Mounted on top and inside the fuel tank.
The heater core may be stopped up. Try flushing it, or replace it.
the O2 Sensor Should be on top of your exhaust manifold
Achievas where only made from 1992 to 1998
How do you replace a heater core in a 1998 Ford Expedition?"
How do you replace a heater core in a 1998 ford expedition?"
How do I replace the block heater in my 1998 F150 4.6L?
Under the hood in a big black bulky fusebox.
No they will not, the achieva has a bolt pattern of 5 lug on 100mm whereas the camaro is 5 lug on 4 3/4"
In the trunk on the cover that is over the spare tire you will find a sticker with that information..