Porsche 928 Problem Report
Porsche 928 Faulty igntion system causing misfire detection system to reduce engine power
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.
A failing ECM or a fuel pump issue can cause a "No Start" condition.
If engine misfiring, rough running, or fuel consumption issues are not resolved quickly, the ca...
Erratic switches and controls can cause electrical problems.
The tire pressure monitoring system may have problems.
The hydraulic fluid for the clutch system may be overlooked; the fluid should be replaced regul...