My 2003 lightning has a high pitch whistling noise(sounds like a tea kettle) coming from behind the supercharger a little to the right. It only does it idling or when im at a steady speed but when I accelerate it stops. What could this be?
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Ask Your Question2003 Ford F-150 Lightning
Question: Whats causing this noise?
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Answer #1
mastertech6371 February 08, 2012, 08:09
Masterpcv elbow may have a vacuum leak causing this. common issue with these motors.
Roy
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Im2fast4you, February 08, 2012, 08:52RookieThanks and if not replaced soon could it cause more of a problem?
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mastertech6371, February 08, 2012, 09:12Masterit will throw a code eventually. i would get it confirmed asap.
Roy
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Im2fast4you, February 09, 2012, 08:07Rookiewhere exactly is the pcv valve. is there a website i can go to?
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CHautowerks, February 09, 2012, 08:53EnthusiastIt is on the passenger side valve cover. There should be a sticker with a diagram under the hood.
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Im2fast4you, February 10, 2012, 08:08RookieIt was the elbow thanks but when I took the hose off the intake I noticed just a little oil, was the elbow causing that or is it something else
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CHautowerks, February 10, 2012, 12:28ReplyEnthusiastThat is normal due to wear in the pcv valve just replace the valve
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Answer #2
CHautowerks from CH Autowerks, February 08, 2012, 09:30ReplyEnthusiastIt sounds like a boost or vacuum leak
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