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Audi
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2003
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RS6 (4B4) V8-4.2L Turbo (BCY)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Description of On-Board Diagnostics
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On Board Diagnostic (OBD) Test Requirements
On Board Diagnostic (OBD) Test Requirements
On Board Diagnostic (OBD) Test Requirements
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All fuses OK per wiring diagram.
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Battery voltage OK.
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For testing, ignition must be switched on or the engine running (engine speed
less than 3000 rpm
).