Hissing noise at 3500rpm on retard
#2
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Not mine, my mates 93 import wrx.
He says after giving it some, when he's slowing down he gets a loud sucking noise from the engine bay as it drops from about 3800 to 3500.
Any ideas? Just suddenly started happening and hasnt affected performance.
He says after giving it some, when he's slowing down he gets a loud sucking noise from the engine bay as it drops from about 3800 to 3500.
Any ideas? Just suddenly started happening and hasnt affected performance.
#3
Split in one of your air hoses to the throttle body area? Or slightly perished rubber. Check all hose connections to see that clips aren't biting too hard into the rubber piping.
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