What does a eccentric shaft sensor do?
What does a eccentric shaft sensor do?
The eccentric shaft position sensor is used as a feedback for the Valvetronic eccentric camshaft. The eccentric shaft is actuated by the Valvetronic motor and in return controls variable intake valve lift. The eccentric shaft sensor is mounted to the cylinder head beneath the valve cover.
Can you unplug eccentric shaft sensor?
From what I’ve researched, unplugging the eccentric shaft sensor disables valvetronic and the valve lift is set to maximum at idle.
What is a Valvetronic eccentric shaft actuator?
The Valvetronic sensor measures the position of the eccentric shaft in the cylinder head which controls the variable valve lift system on the intake side of the engine. If this sensor fails it can cause an erratic idle, stalling, and poor power delivery.
How do I reset my BMW valvetronic?
Basically you reconnect everything, turn the car ON (don’t start engine), and wait. You should here the car going through the “self test/calibration” on the valvetronic motor. Wait about 30 seconds and turn the car off. Next restart everything should be ready.
How much does it cost to replace a valvetronic motor?
Got it towed in. Dealership said it’s a jammed valvetronic motor. Repair cost is around $3,400.
What is eccentric shaft actuator?
It is responsible for actuating an eccentric shaft that adjusts intake valve lift. It’s basically a camshaft on top of the intake camshaft that controls how far open the valves move during one rotation of the intake camshaft.
Where is the eccentric shaft position sensor on a BMW?
BMW Eccentric Shaft Position Sensor Replacement. The eccentric shaft position sensor is used as a feedback for the Valvetronic eccentric camshaft. The eccentric shaft is actuated by the Valvetronic motor and in return controls variable intake valve lift. The eccentric shaft sensor is mounted to the cylinder head beneath the valve cover.
How do I know if my BMW valvetronic eccentric shaft is bad?
BMW Valvetronic eccentric shaft failure can happen suddenly. You go out to your vehicle unlock the doors, and before you even start the vehicle, you notice a terrible clicking/ binding noise coming from the engine bay. You start the car and there feels to be a slightly rough idle, but other than that, all is ok.
Where does the eccentric shaft sensor wick oil?
The top of the sensor protrudes up through valve cover and is sealed by a rubber gasket. The eccentric shaft sensor tends to wick engine oil up through electrical connector, creating an oil leak at top front of valve cover. If you suspect your sensor is leaking, follow these steps to inspect and replace it.
How do you unplug an eccentric shaft sensor?
Unplug the eccentric shaft sensor electrical connector by detaching locking tabs with a small flathead screwdriver and pulling up and out of sensor. Inspect sensor and electrical connector for signs of engine oil.
