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Home >> Volvo >> 1976 >> 242 Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up Procedures - 4-Cylinder >> Ignition Timing >> 1974-75 Models
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1974-75 Models

Warm engine to normal operating temperature. Check or adjust ignition timing with engine idling at specified RPM and distributor vacuum hose disconnected.

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