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XC90 R-Design, AWD
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Battery, Ignition And Control Systems - General Safety Information
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General Safety Information
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When Compression Testing
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
When Compression Testing
Fig 1: Compression Testing
Courtesy of VOLVO CARS CORPORATION
Disconnect engine speed (RPM) sensor before carrying out a compression test.
The diagnostic trouble code (DTC) must be erased when the engine speed (RPM) sensor has been reconnected.