What is fault code ff3 in jaguar xjs 3.6?

Fault code FF3 in the Jaguar XJS 3.6 typically indicates an issue related to the engine management system, often linked to the fuel injection or ignition components. This code may suggest problems such as sensor malfunctions or electrical faults that can affect engine performance. It is advisable to conduct a thorough diagnostic check to pinpoint the exact cause and address the underlying issue effectively.