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Home › Jaguar › 1996 › XJS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/O Codes › Symptoms › Loss Of Power

Loss Of Power

Burnt or sticking valves.
Ensure engine compression is okay.
Fuel system malfunction.
Incorrect camshaft timing.
Incorrect valve clearance.
Ignition system malfunction.
Wrong octane fuel.