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Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Control Systems - Symptom Related Diagnostic Procedures (XC) >> Checking Compression (B5244T3; 2001-2002) >> Checking compression >> Compression test >> Conditions
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Compression test: Conditions

Fig 1: Compression Testing
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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