Turbo cut out, audi a3, 2.0 TDI, registered June 03, UK
The audi turbo cuts out between 2000 and 4000 rpm, hot or cold. It can be reset if you turn engine off and start up again. You can select neutral and rev the motor to +6000rpm with no cut out. It red lines at 4500 rpm.
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Most probably your hose is the problem, does the exhaust smoke more than usual ?
If it does then the collapsing hose is reducing the air volume that your engine needs. Your turbo is trying to drag air from the intercooler rad the hose collapses, reduced power.
If you can't get a new one before Christmas try taking off the hose and pushing a hard plastic pipe inside it, if there are bends in the pipe cut the plastic pipe into halves and feed it in. may help. But you really need air into the engine.
That sounds like turbo overboost, ECU cutting the boost off. when you try and boost again feels like your hitting a brickwall, or when it happends feels like your hitting a brick wall...turning the car off resolves this.
Reset your ecu, disconnect the battery for 30seconds - 1minute.
had this before its something to do with the computer not allowing the vacumn through via a solonoid valve so i conected it direct with a little T to the output side of the vac pump ,worked a treat after that ,then realised i should have just joined the pipes together by passing the valve but i had been on a good night out the night before ....
odd... sounds like the turbo has some sensor built in that cuts it off, do u know if other golfs have something like that?
Could be a heat triggered mechanism or a backpressured one? have you modified intake path at all? egs boost controller, Blow off valve, Wastegate, intercooler?
i am having the smae problem with my vw polo tdi apart from its like my turbo cuts out completly and the car will not rev over 3000 at all. there is know lights on in the dash but if its dry weather the car is fine. not to handy when u live in scotland HAHA
i also have done a diagnostic test and it states a turbo overboost condition and it drives fine locally but loses power on the motorway and struggles to reach 80mph? any suggestions please email me at firstname.lastname@example.org
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?