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Q:

my car no start on 1999 Jaguar XJ8

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
hello my no start, i thimk have alarm problem,because battery go dow
(1) Answer
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you may have a problem in the security module or any one
of a number of other modules that is not going into "sleep mode" when the engine is shut off. also called a parasitic draw. you will need a reputable Jaguar shop to diagnose this problem. make sure they have Jag software and lots of Jags in the parking lot.