Scirocco Central

Hi I own a 140 tdi and in starting to have trouble with the turbo... The problem is its boosting late and on occasion throwing itself into limp mode, but with a turn of the key it's fine again? I've had it plugged in and it said boost pressure sensor with is the n75 sensor which I have changed but still no change. Can anyone help?

Also could anyone with a 140 tdi tell me when there boost kicks in because I've had the problem so long now ive forgotten

I'd get it plugged in and checked on VCDS.
Are you getting a flashing amber EML?

Could be a sensor, could be that the turbo is fubar'd. Until you plug it in you won't know properly, and it's pointless spending money on bits if they're not the right ones.

Yeah I've had it plugged in twice already both times have said n75 boost pressure sensor which I have changed, but yeah when it goes into limp mode the glow plug (Spring shaped) light flashes not the engine management

Sticking turbo vanes or dirty egr maybe, my old 140 golf had the same issue...cleaned it out with mr muscle and it was fine after.


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