Update the Power Pup using the Update Agent while the vehicle is being serviced.ģ. Return the vehicle to stock power level using the Power PupĢ. Q: What do I do if I need to take the vehicle into the dealership for service?ġ. Q: Where can I purchase the Big Rig Power Pup?Ī: The Big Rig Power Pup can be purchased from any authorized dealer found on our dealer locator. We recommend that if you aren't comfortable that you let one of our trained authorized dealers install one of the fuel economy tunes onto your vehicle. Q: Can a customer load a fuel economy tune on the truck themselves or do they need to use an authorized Bully Dog dealer?Ī: If a customer is comfortable with electronics and computers, they are more than free to do the install themselves. See the product instructions on how to change the tune. Q: Can a customer switch between the economy tune and economy with power tune?Ī: Yes, customers can switch between the two tunes as well as return the vehicle to stock. You to bypass the dataport connect and plug in directly into the ECM. Volvo is known for having a lot of communication on the bus and that interrupts the installation and sometimes stops it completely. Do I need a Cummins adapter cable before I do the install?Ī: Yes, we highly recommend that if you are installing on a Cummins engine that you have the adapter cable. Q: I'm installing an a Volvo chassis into a Cummins ISX. Generally, owner operators are using this option. The economy with power tune adds about a 15% improvement in both horsepower and torque to the rear wheels. Q: What does the economy with power tune do?Ī: The economy with power tune is geared to improving fuel economy while adding extra horsepower for pulling large grades. Fleet managers are generally choosing this option because they don't want their drivers to know that anything has changed on the truck, but both owner/operators and fleets are using both tunes with success. Q: How many tunes are available on the Power Pup?Ī: There are two tunes available: an "economy tune" and an "economy with power tune".Ī: The economy tune primary purpose is to improve fuel economy without changing a lot of other parameters on the vehicle. Do not change this unless you have physically changed the Gears in the differential to a different ratio.Īfter you have made all of the available options it will start the download process.A: The Power Pup reprograms the engine computer (ECM) with engine tuning modifications.īully Dog's engine tunes are designed to improve the engine's efficiency the result is improved fuel economy and increased horsepower and torque. It may ask if you want to adjust the axle ratio. Once that is done it may have you select tire size (depending on application.) Note: Every vehicle application is different, and an option that is on one application may not be available on others.ĭepending on the application it may also ask if you want to adjust the speed limiter (AKA Governor). Once you select the engine tune you are going to run it may ask for transmission tuning depending on the application For a list of potential options click here. You will have an option of Regular or Premium tune, select the tune with what fuel you are running in the vehicle. Our gas tuning is based on the octane of fuel you run. It will read the engine and transmission information and save it.Īt that point it will have a selection for “preloaded tune” and you will be able to select that. When it tells you to turn the key to the run position that does not mean start your vehicle. Make sure you follow the instructions on the screen. Select more when you are satisfied with your battery condition. You will have to read through the disclaimer and at the bottom, you will have to agree in order to continue.Īfter you accept the agreement you will be prompted to check your battery condition. It will verify the vehicle application is correct. Press the corresponding button on the left to begin the download. Once you are in the main menu you will have the option for “install download”. Once you power the device up by plugging it into the OBD2 port on the vehicle you should be able to press the top left button for the main menu. In this example, we will be focusing on the GT Gas but the GT Diesel will be similar and follows the same basic steps. Some adjustable options are only available through Vehicle functions once the vehicle has been tuned. An option available on one vehicle may not be available on a different application.
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