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Do you have any mods that absolutely require you to use the tune/tuner? Or can you set the car back to the factory tune? If you can do so put the factory tune back on it for a few days and see how that works out for you. If thats not an option check out what the fuel trims are doing by viewing the live data.
Any obvious signs of running rich? Whens the last time you changed the fuel filter, and if never how many miles are on the car. Sounds odd but its a starting point.
Any obvious signs of running rich? Whens the last time you changed the fuel filter, and if never how many miles are on the car. Sounds odd but its a starting point.
