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Home >> Audi >> 2013 >> S7 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 4.0L - Generic Scan Tool - Engine Code(S): CEUC & CRDB (Transmission DTC Table & Diagnostic Procedures) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Engine Speed Sensor -G28-, CHECKING >> Function
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Engine Speed Sensor -G28-, CHECKING: Function

The Engine Speed Sensor -G28- detects rpm and reference marks from a tooth wheel on the Crankshaft, without an engine speed signal, the engine will not start. If the engine speed signal fails while the engine is running, the engine will stop immediately.

Special tools and workshop equipment required 

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