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206 Interesting Transmission Problem

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23.06.2021 12:30 # 1
SalihS
Hello everyone,
I have a 2004 model 1.4 206 automatic vehicle, the vehicle does not have lpg at 139.000 km
The problem is that my vehicle does not give any warning about the gear, but after the temperature goes up to 90, the gear shifts are always high. It happens in cycles, like 4000.

When I talk to the masters, they say that the solenoid valve and oil will be changed without looking at the classic, but there is no such information on foreign forum sites.

I exchanged ideas with a gentleman who broadcasts on YouTube;

(As the vehicle is a 1.4, your problem is not the gearbox, but the engine's ecu. When the vehicle reaches 90 degrees, the PTC of the lambda sensor cuts off the electricity. Then it reads absurd values, the torque of the vehicle decreases from the lamda sensor. It tries to walk in the lower gears at high speed in response to the low engine torque on the Al4). He said it made sense. Has anyone had this problem and found a solution? Thank you in advance

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