The spark plugs are located under the silver plate on top of the engine. There are 4 bolts on that plate to remove - 2 right above the "16V QUAD 4 DOHC" notation on that plate; and 2 more, slightly farther apart than the other 2 and closer to the driving compartment.
It is located by the rear axle behind the fuel tank.
The Oldsmobile Calais, also known as the Cutlass Calais, was produced by General Motors from 1985 to 1991. In 1987, the Quad 4 engine was developed and the 1988 Calais was fitted with it. All?æof the Quad 4 14 engine types of the 2.3 liter version are interchangeable on the 1988 Calais.
changing the crankshaft sensor
what are the head tourque specs for a 1986 Oldsmobile calais 2.5 liter ?
4 1/2 quarts. Start with 4 thou. Sometimes those 2.5's retain a little oil.
it is located inside the intake manifold
It is located on the passenger side on the bottom of the engine near the firewall.
The 1995 Oldsmobile Aurora 4.0 liter engine crank sensor is located on the back of the crank. You will need to remove the rear engine cover in order to view the crank sensor.
The 1992 Oldsmobile Cutlass Supreme 3.1 liter engine starter is located on the bottom of the engine near the back. You can follow the positive battery cable directly to the starter.
The EGR valve, on your 1995 Oldsmobile 2.3 liter engine, is located on the side of the air filter housing. The valve should be labeled as such.
if you have the 2.2 liter ecotec engine, they are located right on top of the engine, they are located under the top black piece that says ecotec on it.
The throttle positioning sensor is located in the throttle body.