Just taken my Mini Cooper D (2009) for a long trip today to the city (About 65 miles both ways) and on the way home I tried to overtake some cars but the rev counter would not let me go over 3000 rpm - tried several gears and as soon as I got to 3000 rpm the engine just held (did not loose power and no lihts have shown).
Finally found the problem - was the turbo actuator. Garage cleaned it and now the car is like a rocket. The issue has been there since the day I bought it so I have never had 100% turbo. What a difference now.
They told me the Turbo Actuator was ceased (evidently it controls the turbo). They cleaned it and that has cured it. Problems I was having that were all linked the the same fault:
Occasionally would not go over 3K revs (random times)
Autostop stopped working
After I turned car off it made a buzzing noise
Lack of power (much more since its been done)
Not always starting well
Hope this helps as its all I know. I have mailed a guy I know in a Mini dealer to ask if he would ask his workshop guys about it and will post here if I hear back.
Thanks for the info, it gives me a starting point.
That would be fantastic if you could get some info from the workshop guys. That would give me some indication as to labour involved if I asked them to have look at it, etc...
My engine seems to run well, but it's lacking power. As you say, normally these cars are like rockets, but mine seems decidedly uninterested in going anywhere. I would describe it as very sluggish. I'm having the fuel filter and oil changed tomorrow so maybe that will help.
Had a reply back but it said nothing at all (guy is away and has not spoken to workshop guys). If you taking it to garage ask them to check the turbo actuator is not ceased - it sounded a pretty simple job to be honest and did not take them long to fix.
Fuel filter, air filter and oil and oil filter changed. Car runs much better. Not quite like I remember when I first bought it, but definitely an improvement.
Still seems somewhat sluggish until I hit about 3000rpms. I can live with it I guess as I can still accelerate in 6th uphill. Just doesn't really whip my head back like it used to.
Thanks for all the help! If I ever figure it out, I'll post my fix here.
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