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Hi, I have an intermiternt issue with my fuel trims. It started since september 2020, one night I noticed partial loss of power and when I looked at tunerview AFR was down to 8 and trims were at -25, parked at the nearest safe place and checked every vacuum line, everything was aparently ok...

Hi all, I noticed a werd noise under the valve cover and I've finally found a clue. The noise appears randomly and if I press the tube that goes from the valve cover to the intake manifold it shuts up. What should I do? I think it's the check valve?

Hi, I use ktuner basetunes but I've detected that if I try to accel in 2nd gear under 1500 RPM the engine jerks even if i give it just 2% throttle. I usually try to avoid low rpm but sometimes it forces me to slow down and shift in to 1st gear. Does this only happens to me? This does not...

Hi, I have a 2017 Sport MT EU spec. When I look at TPS value it goes from 0% to 113% when the pedal is fully pressed. Is this a normal behavior? Shouldn't it be 100%?

Hi, Every time I start the engine I press the auto start and stop button to deactivate this function. Would it be possible to include an option to deactivate the auto start & stop by default when starting the car so I dont have to press it? Regards.