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GMC Truck
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2001
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Compression Check: Specifications
Engine Compression
No cylinder reading should be less than
689 kPa (100 psi).