Hi, help me my o2tdi passat only pulls like it should for 5 mins after this its slugish especially on hills or overtaking ive replaced maf with a bosch re con unit-no luck! tried a( grey top) turbo boost valve fitted near rad at front of engine,after fitting this it was amazing it flew for 15miles then it went like a non turbo again, what do i try next!!??thanks
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I have a tucson 2007. had the same problem. I changed the airflow sensor, TPS sensor and for a while it did well. but after a day or two it came back..al kind of mechanics looked at it and nothing. Until my neighbor who is not a mechanic at all said, try take off the air filter and drive up hill, now I live in st.Maarten and we have mountains... the car went up as if it was flying..
so problem solved just to buy a new air filter...
I have a 1999 VW golf tdi with intermittent loss of power. The turbo will cut in for a few seconds, then die forcing you to change gear and get a small boost again. The turbo will not boost much past 2200 rpm. The cars computer has been plugged in at the garage and does not show any problems. Various people have said, replace turbo, air mass meter or just simply wash turbo filters in WD40. Can anyone help?