i did a big mistake
i have changed Castrol Edge Engine Oil - 5w-40 in my 9000KM GOLF2.0tdi yesterday and have run about 400km
i refill oil with VW 507 standard today
do i need go to dealer to check the car, i feel the engine noisy not like before, i worry about the DPF is damage.
anyone can give some advise to me?
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