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Home >> Porsche >> 1989 >> 928 CS V8-4957cc 5.0L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Ignition Timing >> Specifications
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Ignition Timing: Specifications

Fig. 51 Timing Mark:




NOTE: Ignition timing is controlled by the ECU and is not adjustable. Check with engine warm. If not within specification, Testing and Inspection
At idle speed 775 ± 25 rpm
Timing 10° BTDC ±2°