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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Mechanical - Testing Compression And Checking For Intake System Air Leaks) >> Engine Mechanical >> Compression Test >> Ignition System >> Conditions
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Ignition System: Conditions

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2014 Volvo XC90, 2013 Volvo XC90, 2012 Volvo XC90, 2011 Volvo XC90, and 2010 Volvo XC90. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Compression Testing
GLL100961Courtesy of VOLVO CARS CORPORATION

The engine compression must always be checked at wide open throttle (WOT) and the engine at operating temperature  .

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