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Home >> Chevrolet >> 2016 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Mechanical - 1.2L) >> Diagnostic Information and Procedures >> Engine Compression Test >> Measurement Procedure

Measurement Procedure

WARNING: This page is about a different car, the 2015 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the suitable engine compression test tool to the spark plug hole.
    Fig 1: Engine Compression Test Tool
    GM2308858Courtesy of GENERAL MOTORS COMPANY
  2. Start the engine (approximately 4 seconds).
  3. Compare the compression values.
  4. Maximum pressure differential is 100 kPa (14.5 psi).
    NOTE: Engine revs at least 300/min.
  5. Check compression for all cylinders.
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