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Upgrades/Extras - Engine - ECU Upgrades

Like all Autologic software, the 'Power Upgrade' is simply installed using our Autologic unit. The benefits are evident: more power, more engine flexibility and increased fuel efficiency; an attractive combination.

Current Land Rover Range, by vehicle type:
  • Defender 2.5L Td5 2002-2007
  • Defender 2.4L 2007 onwards
  • Discovery 2 Td5
  • Discovery 3 TDV6
  • Freelander Td4
  • Freelander 2 TD4
  • L322 Range Rover Td6 and TDV8
  • Range Rover Sport TDV6 and TDV8
Performance Tuning
Diagnos has developed 'tunes' for all diesel electronic control units, that are flash programmable. Every variant has been covered. therefore every vehicle can be tuned as soon as it arrives at the workshop.
The only exception, are TD5 engines manufactured before 2002. The chip in these ECUs is not programmable. However, for these engines, we can replace the chip in the ECU. We require your ECU part number & will order the correct chip from Jeremy Fearn in the UK.

Performance Data
To find out how much difference these upgrades can make to your engine, please open this pdf document:
Peformance Data


  AutoLogic
ECU Chips
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