Operation CHARM
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Porsche
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1993
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928 GTS V8-5397cc 5.4L DOHC
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Ignition Timing
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Specifications
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°