pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Compression Check|Specifications|Page 1809 > < Spark Plug Inspection|Page 1805
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Compression Check: Specifications

The lowest reading should not be less than 70 percent of the highest reading.

No cylinder reading should be less than 689 kPa (100 psi).

Compression Check|Specifications|Page 1809 > < Spark Plug Inspection|Page 1805