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2010
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Impreza WRX STI F4-2.5L DOHC Turbo
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Repair and Diagnosis
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Pressure, Vacuum and Temperature Specifications
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Compression Check
Compression Check
Engine Compression (Fully Open Throttle)
Standard
981-1,177 kPa (10-12 kgf/cm2, 142-171 psi)
Difference between cylinders
49 kPa (0.5 kgf/cm2, 7 psi) or less