The automatic transmission sensor on the Peugeot 307 is usually located in the following places:
Engine 2.0 l HDi
*On top of the gearbox, under the air filter
Engine 1.6 l petrol and diesel
* To the right of the gearbox, under the air filter
Engine 2.0 l petrol
*On top of the gearbox, to the right of the air filter
Note:
*Sensor location may vary depending on vehicle year and model.
* You may need to remove the air filter to access the sensor.
* The sensor is usually an electrical harness with a connector.