Jaguar XJ8 engine noise and shaking issue while idling not resolved on Jaguar XJ8

Some Jaguar XJ8 owners report experiencing engine noise and shaking issues while idling, which can be attributed to several common causes. These issues may stem from a vacuum leak, leading to rough idling and shaking. Additionally, timing chain problems in the V8 engine are frequently noted, contributing to similar symptoms. Owners also report noticeable engine noise during idling or cold starts, which may indicate a timing chain tensioner problem. To address these concerns, it is recommended that owners identify and repair any vacuum leaks, inspect the timing chain for necessary replacements, and consider upgrading to improved components for timing chain tensioners. It is crucial for owners to consult a qualified mechanic for accurate diagnosis and resolution of these engine issues.