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Home >> Porsche >> 1994 >> 911 Turbo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Fault Code Diagnosis & Testing >> Code 1133: DME Control Unit (Knock Control)
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Code 1133: DME Control Unit (Knock Control)

If knock control portion of DME control unit is faulty, ignition timing will be retarded 6 degrees. Replace DME control unit.

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