douellette Posted August 13, 2009 Report Share Posted August 13, 2009 ever since i installed my new 56mm throttle body on my 3100 the other day the car has been making this high pitched whistling sound above 2500rpm. i dont know what or why its making that noise? Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted August 13, 2009 Report Share Posted August 13, 2009 possible vacuum leak? Quote Link to comment Share on other sites More sharing options...
douellette Posted August 13, 2009 Author Report Share Posted August 13, 2009 idk, it doesnt have any trouble idling or anything. and usually vacum leaks make it have a high idle Quote Link to comment Share on other sites More sharing options...
19Cutlass94 Posted August 13, 2009 Report Share Posted August 13, 2009 Mine does it to... I stopped paying attention to it Quote Link to comment Share on other sites More sharing options...
Jonpro03 Posted August 13, 2009 Report Share Posted August 13, 2009 Mine does it too with my 56mm tb I like it Quote Link to comment Share on other sites More sharing options...
tunerlover3 Posted August 13, 2009 Report Share Posted August 13, 2009 Spray carb cleaner around the TB and intake to see if there is a vacuum leak. My guess is that its normal. Quote Link to comment Share on other sites More sharing options...
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