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Porsche
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2005
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Cayenne S (9PA) V8-4.5L
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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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Reading and Clearing Diagnostic Trouble Codes
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Reading Diagnostic Trouble Codes
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Without Manufacturer's Scan Tool
Without Manufacturer's Scan Tool
The manufacturer does not provide a procedure for reading diagnostic trouble codes without a scan tool.