gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Compression Check|Specifications|Page 3904 > < Ignition System - Runs Rough MIL/ON DTC P0300/P0306|Page 3900
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Compression Check: Specifications

A normal reading should be approximately ............................................................................................................................................  1482 kPa (215 psi).
The lowest reading should not be less than 70 percent of the highest reading.

Compression Check|Specifications|Page 3904 > < Ignition System - Runs Rough MIL/ON DTC P0300/P0306|Page 3900