it tells the ecm to add more or less gas
How many oxygen sensor on your 1999 3.5 rl?
On a 1999 Oldsmobile Alero, the knock sensor is located on the engine block. It may be bolted to the intake manifold, or to either side of the block.
The oxygen sensor on a 2001 Alero is usually located on the exhaust pipe, near the exhaust manifold. It may be found before or after the catalytic converter; there are typically one or two sensors in total. It may be necessary to raise the vehicle to locate and access the sensor.
Replace it. Sensor 2 is the one AFTER the catalytic converter.
"Why is your 2002 alero jerkingDo I need a speed sensor?" "Why is your 2002 alero jerkingDo I need a speed sensor?"
Bank 1 sensor 1 is the first oxygen sensor usually in the exhaust manifold. Usually it needs to be replaced. Sometimes it can just be a bad connection in the plug for the oxygen sensor.
The upstream heated oxygen sensor is located ahead of the catalytic converter The downstream heated oxygen sensor is located behind the converter
The oxygen sensor on a 1999 Honda Civic is located on top of the catalytic converter. The catalytic converter is under the car.
The oxygen sensor is located in the exhaust manifold near the firewall. It is easier to get to the sensor from under the vehicle.
No.
When the oxygen sensor goes bad, the check engine light goes on.
i have a 2003 olds alero i need to know the location of the camshaft sensor