Surprise Diagnosis: Not A Timing Chain After All! N43 cam sensor fault code
Автор: Ben Johnson Automotive Fault Finding
Загружено: 2024-04-14
Просмотров: 2759
Cam sensors... It´s too easy to jump to another n43 timing chain problem when this car came to Schmiedmann from another shop. They had assumed the camshaft sensor fault code 002AA1 meant that the exhaust cam timing was off along with the fault codes 002A9F - cam sensor exhaust synchronisation and 002A99 Crankshaft.- camshaft reference. They were dead wrong!
In this video you will learn that before scoping anything a simple swapping of a few parts is sometimes all that is needed to diagnose a job without buying new parts or even needing to break out the oscilloscope.
The part cost less than 50 Dollars which is way less than the cost of a timing chain.
#bmwmechanic #mechanic #faultfinding #carmechanic
Contents
00:00 Introduction
01:00 Chatting about the timing chain and fault codes
01:26 Fault codes prior to swapping from exhaust to intake
01:44 Fault codes after swapping exhaust cam sensor to intake
01:58 Measuring the sensor body and looking at the airgap
06:02 Old cam sensor scope trace
07:18 New cam sensor scope trace
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