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I can only find two sensors, engine compartment, pre and post catitytic converter. Ideas, suggestions .......... help, please? Where are the missing two?
because one of the sensors detected a problem
It's located behind the gloves compartment.
Ls or Xs?
pull the bulb like me
The air bag sensors for a 2004 GMC are located on the bottom of the radiator support. They can be accessed by removing the front bumper and looking up under the vehicle.
In the exhaust pipe on the back of the engine.
the camshaft sensors are located on the back of the heads under the air cleaner duct.
underneath the engine passenger side, at the back of the air conditioning compressor
Usually ambient sensors are located in front of the radiator.
In a 2004 Pontiac Sunfire, there are two oxygen sensors. One would be located in the exhaust before the catalytic converter. The other is located in the exhaust after the catalytic converter.
The oxygen sensors on a 2004 Toyota Corolla are located within the exhaust manifold. They constantly monitor oxygen levels in the exhaust and allow the engine to make adjustments accordingly.