the oxygen sensor is grounded when you thread it into the exhaust manifold the oxygen sensor should have only 1 wire it should be purple the didnt start putting 2 or 4 wire sensors in until the early 90's there should be a ground from the battery to the block
If your 1988 Chevrolet Celebrity has the V6 engine the oxygen sensor is in the middle of the exhaust manifold nearest the firewall. If you have the 4 cylinder engine the oxygen sensor is located in the exhaust manifold just above the exhaust pipe flange.
The oxygen sensor is in the rear exhaust manifold. You should be able to see it by looking behind the engine from inside the engine bay.
There is one before the catalytic converter and one after.
There is one before and one after the catalytic converter.
Yes, one before and one after the catalytic converter.
Among many other possiblities, yes.
It will depend on the engine size. All will have 1 before the catalytic converter and 1 after each one.
oxygen sensor1 bank 2 on 2005 chevy express 3500 cargo van
They are screwed into the exhaust system.
2002 Chevrolet Tahoe has two oxygen sensors How do I check them ?
where is the oxygen sensor located on a 1997 Chevrolet lumina
Disconnect the battery for 1 hour.