Hypertech Power Programmer III for 04-06 Chevrolet SUVs/trucks with the following engines: 4.3 L, 4.8 L, 5.3 L, 6.0 L, and 8.1 L.

　　Manufacturer model # 30022. Functions great, includes cables and handbooks. Sold Tahoe it was installed in. Contact through e-mail or.

　　program contact details.

　　Right here is the producer's description:.

　　The Hypertech Power Programmer III is an effective self-contained vehicle tuning computer, however it is so easy to use and install that you can improve your car's efficiency, torque, and horsepower without devices or professional training. When you plug it into your vehicle's underdash diagnostic plug, it will certainly update the OEM program on your automobile's onboard computer with the Power Tuning program customized for your vehicle, based on information it gathers from checking out the Vehicle Identification Number (VIN) and by asking you some yes/no questions. The brand-new program enhances the air/fuel ratios and timing to produce optimal efficiency and, if your vehicle's onboard computer system controls other efficiency related choices, Hypertech ventures to offer you access to them. Considering that these added adjustable features depend on the abilities of your car, they may not all be readily available for your certain year make model. Numerous cars covered by this device must have the ability to make adjustments in the following locations: the fuel grade (routine vs. premium), the RPM "rev" limiter (to make the most of other efficiency upgrades), and the top-speed limiter (to match the speed rating of factory-approved high-performance tires), Some of the cars will certainly support changes to the automatic transmission shift points (for optimal efficiency), the automatic transmission line pressure (for firmer shifts with less clutch slippage), and the tire size (for appropriate speedometer/odometer computations when tire size is various than OEM) and the equipment ratio (for proper speedometer/odometer estimations when the equipment ratio is various than OEM). This unit can even read and clear Diagnostic Trouble Codes (DTCs), and it saves the factory stock programs so you can return to the stock tuning at any time.