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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Saturn
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2005
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ION L4-2.0L SC VIN P
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Compression Check: Specifications
The lowest reading cylinder should not be less than 70 percent of the highest.
No cylinder reading should be less than 689 kPa (100 psi).