1999 Volvo S80 2.9 2.9L Hissing Noise
Vehicle has a noticable "hissing" noise on acceleration only, goes away when backing off the throttle. Is heard at almost all rpms while accelerating. Can also be duplicated in the shop in neutral by quickly depressing the throttle. Noise seems to located at t...
Summary posted 7/25/2012
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Vehicle Data1999 Volvo S80 2.9
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Message Closed w/Summary
Vehicle Data
1999 Volvo S80 2.9
VIN | YV1TS97D5X |
Engine | 2.9 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Hissing Noise |
Occurs | Under Load |