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Home >> Porsche >> 1992 >> 968 Coupe L4-2990cc 3.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test Point 16 - Control unit faulty
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Test Point 16 - Control unit faulty

TEST POINT 16 - Control unit faulty (Knock computer) - Fault code 1_33

Possible Causes, Elimination, Remarks

Ignition timing is retarded by 6° on the crankshaft for all cylinders from a certain engine load if this fault occurs.

- Replace control unit.

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