FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Porsche
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1990
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944 Turbo L4-2479cc 2.5L SOHC Turbo
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Spark Plug
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Service and Repair
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Maintenance Procedures
Maintenance Procedures
EVERY 30,000 MILES (48,000 KM)
Spark plugs
Replace