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Porsche
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1989
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928 S4 V8-4957cc 5.0L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Technical Service Bulletins
Fuel Delivery and Air Induction: Technical Service Bulletins
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Fuel/Ignition Modules - Use of Aftermarket Microchips
All Technical Service Bulletins
Fuel/Ignition Modules - Use of Aftermarket Microchips
Exhaust System - Sulfur Like Smell