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Porsche
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1990
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928 S4 V8-4957cc 5.0L
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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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Restraint Systems
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Test Point 2
Test Point 2
Fault Code 3 _ 12
Left front sensor closed several times.
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Renew front sensor.