Sorry but this is really difficult to understand due to the language barrier.
I can understand that you have poor acceleration but do you mean that you are getting 14L /100km at 120km/h? Or does you mean you have an average of 14L/100km and your car will not go faster than 120km/hr?
air flow meter
crank sensor
camshaft sensor
spark plugs
ignition coils
lambda sensors
dme ecu
transmission repair
150 6-cylinder compressor engine test compressor
petrol pump
injector
petrol filter
oil and filter changed
air Filter
From what I can see in your video, you have the transmission in the Manual mode, which means the trans won't downshift if you press the gas pedal to the floor. This will give you bad acceleration. Leave the transmission in Automatic mode...
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