dear all i just bought mk1 1998 octavia manual it has a strange thing it turn off when it is on idle i changed the timing belt and the spark plugs and the fuel filter and the accessory belt but still the same and some times i feel changing in the pedal on idle also i cleaned the air intake and changed the air filter the gate open and close by itself wht should i do is it the lambda sensor or the pedal or the throttle or wht

Hi and welcome aboard.

hi sir iam glad to meet u