Question about Audi A4
Do you still have the old sensor. I am not suggesting that you change it back but it might be useful for comparison. The length of the sensor and it's distance between it's tip in relation to the cam teeth is critical; a couple of millimetres can make all the difference. Obviously make sure any electrical connection is clean and tight. Why did you replace the old sensor? I know that occasionally the sensor body can leak allowing engine oil to enter the wiring loom and even when the sensor is replaced the oil can continue to travel within the cable and can lead to signal interruption when it gets into the socket at some distance from the sensor. Check for brittle insulation of the wiring loom. If all else fails try reinstalling the old cam sensor and see if there is an effect on engine performance. You never know you might have come across a defective part although quite new. Cam sensors are renowned for presenting faults only when they get warm, this is caused by thermal expansion of the sensor body causing a break internally to the sensor electrical circuit.
Posted on Apr 03, 2011
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Posted on Jan 02, 2017
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