volvo Workshop Repair Guides

Volvo Workshop Manuals

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Note!

Applies when engine is warm, with wide open throttle (WOT) and when turning over the starter motor; 4.2-5.0 r/s (250-300 rpm).

Disconnect the engine speed (RPM) sensor.

3

Separate connector

Remove:

-

ignition cables cover plate

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spark plugs.

Remove fuse 11B3

4

Maintenance > Tune-up and Engine Performance Checks > Compression Check > System Information > Technical Service Bulletins > Compression Test - Amended > Page 1509

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