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Home >> Porsche >> 1984 >> 928 S V8-4664cc 4.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Cylinder Identification Sensor >> Technical Service Bulletins >> TDC Sensor - Do Not Use to Set Timing
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TDC Sensor - Do Not Use to Set Timing

84porsche02

Subject

TDC Sensor


Part Identifier
Applies To 928S


1984
Group


28
Key Points

- Deleted from production on 5-speed transmission models
- Do not use to check ignition timing on 5- Speed models
Number

84-04

May 10,1984
A TDC sensor was installed on all 1984 Porsche 928S engines.


This sensor was deleted from the 5-speed manual transmission version as of April 4, 1984. Engine number 81 E00574 (M28/19)


CAUTION

Do not use TDC sensor to check ignition timing on 5-speed transmission equipped vehicles or ignition timing will be incorrect.


Use regular strobe timing light to check ignition timing on these vehicles.