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hai my car is ford fiesta zetec 2003 5door ,in my cay o2 sensor have fault .can you tell me how many o2 sensor are there and were is location
bad O2 sensor
You can find O2 sensor wiring diagram for a 2003 Tiburon GT in the owner's manual. You can also find it at auto parts stores.
The O2 sensor on a 2003 Cadillac Northstar engine is located in the exhaust manifold. The readings from this sensor are sent to the vehicle's computer, which makes constant adjustments to the fuel and air mixture.
driver side first o2 sensor
behind the engine
A short to ground. Check wiring/sensor for damage.
After the catalytic converter driver side.
There are several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
O2 sensor cicuit no activity (bank 2 sensor 1)
The O2 sensor isn't fused. It plugs straight into your ECU.
on the drivers side underneath the engine by the front tire. You will notice a pigtail leading to the exhaust in this area. This o2 sensor is the main sensor, there should be a catalytic o2 sensor located after the converter.