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Porsche
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1989
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911 Carrera 4
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Repair and Diagnosis
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Engine Performance
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Specifications
Engine Performance: Specifications
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Introduction
Capacities
Quick-Service
Service Intervals & Specifications
Mechanical Checks
Engine Compression
Valve Clearance
Valve Arrangement
Upper Valves
Lower Valves
Ignition System
Ignition Coil
High Tension Wire Resistance
Spark Plugs
Fuel System
Fuel Pump
Fuel Injectors
Idle Speed & Mixture
Cold (Fast) Idle Rpm
Throttle Switches
Idle Switch Adjustment
Idle Switch
Full Throttle Switch
Full Throttle Switch