When I accelerate I can hear a wistleing noise. the harder I accelerate the louder the wistle, and if I let off the gas it stops. Does anyone know what could be wrong.
CAR:
1995 3.8
MODS:
costome built cold air intake
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My car did that when I put the K&N airfilter on, I still haven't figured out why. It only does it when i'm standing on the gas after I shift. I've checked every hose, clamp, and seal, nothings leaking as far as I can tell. I just say it's my blow off valve doing its job.
put a dual exhaust system on your car, then you will be listening to the purr of your pipes and not your whistle. they should be louder than your CAI too
But seriously, just like jovez said, your whistle is coming from your custom CAI. Double check the seals, also make sure your vaccum hose isn't cracked or anything. The vaccum hose is on the top of the engine, near the firewall on the passenger side with an orange Ford part number sticker wrapped around it; at least, that's where it is on my '02.
+1 on the dual exhaust.
acceleration wistle?
