Engine Note on Idle

gphilla

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Jul 5, 2006
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Kingston upon Hull, United Kingdom
For the last couple of days my engine note (2.0tdi 140) has changed somewhat on idle, its hard to describe how its changed but i just know it has ??
Car still pulls really well and drives and feels as norm and soon as you touch the throttle it sounds like normal ?

Any ideas of where to start checking ??
 
oh dear not more trouble mate could it be linked to compressor failing ?
 
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