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June 1, 2004 Service bulletin

Engine pinging/detonation check long and short term fuel trim reprogram engine control module

Jaguar technical service bulletin 30304 for 2004 Jaguar XJ.

Bulletin number
30304
Component
Engine and engine cooling
Summary
Engine pinging/detonation check long and short term fuel trim reprogram engine control module. Eh

Owners of these vehicles have filed 1 complaints in the engine category.

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