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Home >> Volvo >> 2004 >> V70 T-5, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel, Ignition & Engine Control Systems - Removal, Installation & Specifications >> Ignition and control systems >> Compression test >> Ignition system >> Conditions
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Ignition system: Conditions

Fig 1: Testing Engine Compression
GLL100961Courtesy of VOLVO CARS OF NORTH AMERICA.

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

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