subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Compression Check|Specifications|Page 1116 > < Spark Plug|Removal and Installation|Page 1112
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Compression Check: Specifications

Compression Inspection

Wide Open Throttle (at 200 - 300 rpm)

Standard pressure................................................................................................................................................ 

1,275 kPa (13.0 kgf/cm2, {185 psi})

Limit pressure ....................................................................................................................................................  

1,079 kPa (11.0 kgf/cm2, {156 psi})

Difference between cylinders ............................................................................................................................  

49 kPa (0.5 kgf/cm2, {7 psi or less})

Note: Perform at least two measurements per cylinder, and make sure that the values are correct.

Compression Check|Specifications|Page 1116 > < Spark Plug|Removal and Installation|Page 1112