Worked great, pulled the most important codes and diagnosed my Mercedes Benz 06' ML 500. Googled the code, watched the repair video, ordered the sensor from Revain for 1-day delivery and boom. The device is quite simple, but copes with basic mechanical problems. My situation with the crankshaft sensor and after reading other posts with the same problem matched my car's history. Make sure you update your device and it now supports Macs if you don't have Windows PCs at home.
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