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Audi
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1995
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90S Quattro (Canada) V6-2.8L (AAH)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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With MMS 311 Engine Management System
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DTC 16721
DTC 16721
Scan Tool Printer Display, Code 16721:
NOTE
:
The DTC "16721" is stored when crankshaft position sensor signal is not recognized for longer than
3 seconds
at an engine speed between
25 RPM
and
2000 RPM
.