When you hook this up to your car, it takes a while (ten minutes, approximately) for it to download your current ECU mappings. Then you can flash any of a number of mappings depending on your situation. That only takes a few minutes to flash and then you're up and running. The difference in my 2015 Focus ST3 was pretty dramatic. The most noticeable change is the added torque - when you accelerate, it feels like the car is unleashed, and it really moves! I purchased the FSWERKS tune, so the added 75 foot-pounds of torque is quite substantial. The car operates altogether more smoothly, as well. I commute 35 miles each way every day, and I don't normally drive it hard, so my gas mileage actually improved by at least 1 mpg. There is really no downside to the accessport, and you can return to your stock mappings at the touch of a few buttons.Īs always, it's a pleasure to deal with FSWERKS.
#Racerender cobb access port how to#
They are always very helpful and patient, and they always take their time to discuss things and answer all of your questions.Basic guidance on how to install your Cobb Accessport, log data and how to get your Pro Tune on your GT car. Most of this is adapted directly from Cobb. Here are some helpful links:īegin by connecting your car to a battery charger. Taken directly from Cobb’s Quick Start Guide: You can “brick” your ECU if the battery dies while uploading a tune. When you first install the Accessport by selecting Install from the main menu, the Accessport will recognize your vehicle, save your factory ECU data, load the proper maps from the background memory, and then flash your vehicle’s ECU with the map you select. This process ties (“marries”) the Accessport to your vehicle and it will remain this way until you uninstall the Accessport from the vehicle.
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