Jet Performance 90401 Performance Stage 1 Chip for 04-06 Jeep Liberty with 3.7L Engine

Computer controlled engines on all new cars and trucks are run by programmed chips that tell the engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states! For 4.0L Inline 6 cylinder engines with 3 Plug ECM. If you have a 4 Plug ECM, see item # 90413.

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The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various other tuning points provide performance gains of up to 25 horsepower. Improves throttle response, acceleration and low end torque. Simple, plug-in installation in less than 30 minutes.

Installation Notes

Installation Difficulty:
Level 1 Beginner
Installation Time: Less than an hour

Installation Instructions

Specs

Fitment

Jeep Liberty (KJ)

04-06 Jeep Liberty2008 Dodge Ram