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11-19-2003, 09:51 PM
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#1 |
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Registered User
Join Date: Nov 2003
Location: Omaha, Ne.
Posts: 29
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Hissing/Vaccuum Noise?
I have a '99 Cobra with 12K on it. The only mod I know of is a drop-in K&N. I hear a hissing/vaccuum noise when just off idle and sometimes at low RPM's. Is this due to the K&N, something else, or is this normal? Thanks for any help or ideas.
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11-20-2003, 02:15 PM
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#2 |
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Dr Jekyll on the street, Mr Hyde on the track
Join Date: Jun 2001
Location: Rock Hill SC
Posts: 14,649
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Um.... I can't remember but pick up the hood and check by the firewall. I think the problem lies there but I don't remember what was causing it. Maybe Tom can jump in here and remember. The K&N will not cause the noise you are describing.
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Cobrabitn  2016 Ruby Red Metallic with Caribou accent F-350 Crew Cab Stump Puller! 6.7 Diesel Automatic with Chrome Package, Off Road Package, 3.55 Locking axles, and Ultimate Lariat Interior Trim Package! 2017 Shelby GT350 Coupe - track car! Mods: JLT True Cold Air oil catch can 2009 Vista Blue Shelby GT 500 Coupe - Garage Queen Tinted Windows JLT True Cold Air Kit Pro-Dyno Tune 526 rwhp - 511 rwtq 1994 Rio Red Indy Pace Car #22 "Runabout" Snake in the grill MGW shift knob 1996 SVT Cobra Wheels 1969 New Lime Mustang Mach 1 Sportsroof - Second owner - bone stock with shaker. One SVT Cobra, one Shelby GT500, one 69 mach 1, and a Shelby GT350 is better than nothing!  Custom Data Plates for your Mustang or Ford! Buy "Cool Merchandise" at Data Plates Plus www.dataplatesplus.com See my MSR Video here! |
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11-20-2003, 07:31 PM
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#3 |
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Registered User
Join Date: Nov 2003
Location: Omaha, Ne.
Posts: 29
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I don't know if it is related or not, but there also seems to be a "dead" spot just after shifting too. It's not real bad, but still noticable at times.
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11-21-2003, 04:42 PM
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#4 |
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Dr Jekyll on the street, Mr Hyde on the track
Join Date: Jun 2001
Location: Rock Hill SC
Posts: 14,649
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Sounds like your traction control is engaging. Do you turn it off when you get in the car?
__________________
Cobrabitn 2016 Ruby Red Metallic with Caribou accent F-350 Crew Cab Stump Puller! 6.7 Diesel Automatic with Chrome Package, Off Road Package, 3.55 Locking axles, and Ultimate Lariat Interior Trim Package! 2017 Shelby GT350 Coupe - track car! Mods: JLT True Cold Air oil catch can 2009 Vista Blue Shelby GT 500 Coupe - Garage Queen Tinted Windows JLT True Cold Air Kit Pro-Dyno Tune 526 rwhp - 511 rwtq 1994 Rio Red Indy Pace Car #22 "Runabout" Snake in the grill MGW shift knob 1996 SVT Cobra Wheels 1969 New Lime Mustang Mach 1 Sportsroof - Second owner - bone stock with shaker. One SVT Cobra, one Shelby GT500, one 69 mach 1, and a Shelby GT350 is better than nothing! Custom Data Plates for your Mustang or Ford! Buy "Cool Merchandise" at Data Plates Plus www.dataplatesplus.com See my MSR Video here! |
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11-22-2003, 05:32 PM
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#5 |
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Registered User
Join Date: Nov 2003
Location: Omaha, Ne.
Posts: 29
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Yep, I always turn it off.
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12-23-2003, 01:43 PM
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#6 |
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Registered User
Join Date: Nov 2003
Location: Omaha, Ne.
Posts: 29
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The dead spot was corrected by changing the fuel filter - FYI...
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