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Strange sound in air filter -turbo? - volvo s80 d5 - turbo?

Everything on the Volvo S80. Sometimes called an "executive car", the S80 was Volvo's top-of-the-line passenger car. P2 platform.
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xzy
Posts: 1
Joined: 19 January 2010
Year and Model: s80
Location: slovenia

Strange sound in air filter -turbo? - volvo s80 d5 - turbo?

Post by xzy »

Hi,

i'm getting strange sound at 3000-4000 rpm.It looks like air pressure from turbo would go back in air filter and it makes loud strange noise.Engine loses power.OBD shows no errors and i can see there is preasure 240 kPa at input manifold.

Any ideas ?


Best regards


Matej
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vegasjetskier
MVS Moderator
Posts: 1843
Joined: 16 December 2007
Year and Model: 2010 Toyota Prius
Location: Fernandina Bch, FL Formerly - Las Vegas, NV
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Post by vegasjetskier »

If you have one on your car, it could be a leaking compessor bypass valve.
.

SOLD - 2001 Volvo S80 T6: Mobil 1 Oil & Synthetic ATF, Brake Performance drilled and slotted front rotors, Akebono Euro Ceramic pads and Yokohama Avid V4S tires, 91K miles.

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