A4X - Land Rover 14CUX 4.2L Performance Chip

Anderson Overland Outfitters 14CUX Hot Wire Updated Software chip for the 4.2 Liter Engine with CAT (Catalytic Converter).

Automatic or Manual transmission applications.

The software EPROM chips are new and have a custom fuel program for increased power of stock and modified engines, maintaining the Factory Catalytic Converters.

These chips are based on the latest Land Rover 14CUX tunes, which have idle stability and cold start enhancements. Then the Fuel maps have been optimized for power with stock and modified engines using the Hotwire 14CUX system with a distributor.

Applications: Land Rover 4.2L V8 14CUX Engines found in the Range Rover Classic, Discovery 1, and NAS Defender models.

Enhancement Specifications:

HP Gains*: 10-15Hp Typical

Idle Speed: 750 RPM (650 RPM Automatic transmission In Gear, Neutral 750 RPM)

Idle Stability: Improved

Hot Start: Improved

Speed Limiter: Removed

Tune Resistor: Enabled

Neutral Gear Selection: +100 RPM 

AC Idle Up: Enabled +50 RPM

Heated Windshield Idle Up: Enabled +50 RPM

Crank Oil Pressure Delay: Enabled, 1-2 revolutions before start

MIL: Enabled, Flash at startup

DIY Kit:  Comes complete with the 4.2L Software EPROM Chip, Chip removal tool, T20 Tool, and printed instructions.

Installation service: If purchased, we will send you instructions for shipping your ECU to us. Once received turn around time including testing in a 14CUX truck is 1-2 days. 

*Engine, modifications and condition dependent. I do not and cannot guarantee a HP number.

**ECU must have a pluggable ship socket to accept the upgraded software chip