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06-21-2013 | #1 |
Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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Re: High pitch noise
Plenum to inj. housing vacuum leak ?
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
06-21-2013 | #2 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,669
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Re: High pitch noise
Frank,
I just had this happen. Turns out my fuel rail bolts were loose. Injectors and rails could move around. That should be the resolution of my "disappearing IAC counts" at idle. So I ran the 1/2mile and Dyno that way. DUH!
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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