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P3999 Diagnostic Trouble Code Discussion for July 2018

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Trouble Ticket Help Requests for DTC P3999
Help Request Posted
1997 Land Rover Defender 90 4.0L Low power VIN: SALDV3243V
P3999: unknown. ... defender. Came in with a complaint of low power and light on dash. customer pulled over after the lights came on dash and shut car off. started car back up and all was well. The only code in the computer is a p3999. I am unable to find a definition for...
July 19, 2018