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Porsche
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1988
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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 )
A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
Diagnostic Trouble Code Descriptions
LH Codes
EZK Codes
Manufacturer Code Charts
Computers and Control Systems
LH (Fuel Injection)
EZK (Ignition)
Heating and Air Conditioning
Test Point 1 - Sensor Circuit (Ohmmeter)
Test Point 2- Compressor Magnetic Clutch
Test Point 3 - Blower
Test Point 4 - Flap Control