Car Problem Reports

Porsche 928 Faulty igntion system causing misfire detection system to reduce engine power

Porsche 928 Problem
5 Reports
Me Too

Model Years Affected: 1990, 1991, 1993, 1994, 1995

Engines Affected: 5.0L V8, 5.4L V8


The ignition system must be maintained—distributor caps, rotors, and cables require attention. The misfire detection system can cause the engine to shut down by half. The root cause of the problem must be ascertained before repair.

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