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911 All Variants, 930 964, 993, 996, 997, GT3, GT3 RS, Carrera, water cooled and air cooled.
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  #1  
Old 06-04-2003, 10:41 PM
skifaster skifaster is offline
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Weird sound when depressing the throttle

Re: 1995 Porsche 911 (993) Cab: When I depress the throttle there is a distinct and weird noise, a combination of whistle, hiss and whine. If the gas pedal is moved slightly up and down the noise follows the pedal depression, squeaking back and forth. Any ideas about the cause?
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Old 06-10-2003, 12:13 AM
S2000 S2000 is offline
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Its you blow off valves, is ok is normal
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Old 07-10-2003, 08:58 AM
buymeabmwm3 buymeabmwm3 is offline
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I didn't think the '95 911 was a turbo Maybe I'm wrong. If its not, then it can't be blow off valves. Might want to check your intake box and piping. There may be a leak thats causing some whistle on acceleration. Does the noise increase with engine speed (i.e. rpm), or with car speed? Is it present in all gears at the same engine speed?
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