Volo Performance Inc.

FS3CTTRAILBLAZER03

Volo FS3 Fuel Saver Chip/ECU Tuner for 2003 Chevrolet Trailblazer 4.2L 5.3L

Engine Computers

This high-speed microprocessor soft-flashes your Trailblazer's ECU to produce fuel efficiency gains of 15-18% with no loss of horsepower or torque.
Installs behind the OBD-II port in minutes. Installation video and vehicle specific wiring print-outs are available on our website.
The Volo Chip replaces timing and fuel delivery values stored in the ECU's temporary memory with optimized values. This produces the same results as expensive ECU upgrades, for a fraction of the cost. The Volo Chip DOES NOT alter rev and speed limiters.
No fine-tuning or vehicle knowledge required. Just install, hit the reset button for automatic calibration, and forget it. Comes pre-programmed with maps for Chevrolet 4.2L and 5.3L engines.
Makes no permanent changes to your Trailblazer's computer. Will not void your Chevrolet factory warranty and is emissions safe. Best of all, the Volo Chip is 100% guaranteed or your money back! Free firmware updates for life included with purchase.

The FS3
The FS3 is one of our most powerful Dynamic Soft-Flashers. Operating at 20MHz with plenty of On-Board Memory, the FS3's 8-Bit CMOS microprocessor offers extended compatibility along with faster patching for safer, higher, and more consistent gains.

Gains
Average gains for the Trailblazer are 15-18% over stock MPG without losing power or torque.

Installation/Use
Installation takes about 15 minutes and requires no special skills. Once installed, press the RESET button to calibrate and you're done!
The FS3 does NOT include an OBD-II connector. It connects directly to the OBD-II port's data lines. OBD-II scantools will not interfere with operation.

Fits
EXT LT Sport Utility 4-Door
      4.2L 256ci l6 DOHC
      5.3L 325ci V8 OHV

EXT North Face Sport Utility 4-Door
      4.2L 256ci l6 DOHC
      5.3L 325ci V8 OHV

LS Sport Utility 4-Door
      4.2L 256ci l6 DOHC

LTZ Sport Utility 4-Door
      4.2L 256ci l6 DOHC

Lifetime Warranty

Satisfaction Guaranteed or Your Money Back

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