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Polo 1.9 TDI PD sport power loss


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hi all,

have started to notice a significant loss in power over the last month or so with my car. It has been plugged in for fault codes but nothing was thrown up. Basicly when you put your foot down it accelerates very slowly and there is a buzzing sound when you switch the engine off. this noise appears to come from a black box on the drivers side which has several rubber pipes coming out of it. Car has covered approx 45000 miles on 02 plate. would be grateful for any suggestions.

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  • 2 weeks later...

If you read through the VW forums here it will tell you how to diagnose if it is MAF or not.

Basically I think you just need to disconnect it and drive the car - if the performance is the same it must be broke (THink thats the way it works) but read probably a post froM Rustynuts or Mulkbear or Tobes.

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