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08-25-2009
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#1 |
Join Date: Feb 2004
Location: Aurora, IL
Posts: 309
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Stiff gas pedal
I took my car out on Sunday and noticed that my gas pedal was really stiff and hard to push down, its esay to push until about a 1/4 the way then it gets really stiff. any idea what could cause this?
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-Shaun 1991 Charcoal Metallic ZR1 #730 [URL="http://www.cardomain.com/ride/2649606"]http://www.cardomain.com/ride/2649606[/URL] [URL="http://community.webshots.com/user/shaun91zr1"][/URL] [IMG]http://img.photobucket.com/albums/v211/RiceEatingZR1/Forum%20Sig/Sig1.gif[/IMG] |
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08-25-2009
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#2 |
 
Join Date: Apr 2007
Location: Northern VA
Posts: 2,661
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Re: Stiff gas pedal
Underused??
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08-25-2009
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#3 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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Re: Stiff gas pedal
The throttle plates are progressive, with the first maybe 20% opening just the small primary throttle plate. Then you start to open the secondary plates after that, which are much bigger and have a much stiffer spring.
So to some degree that difference is normal, but perhaps the overall force you are feeling isn't. Open the TB by hand and see if it is abnormally stiff, if not, maybe the cable isn't moving freely?
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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08-25-2009
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#4 |
 
Join Date: Jul 2005
Location: Las Vegas, Nevada
Posts: 777
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Re: Stiff gas pedal
This sounds too simple, but check to see if the throttle is rubbing against the tranny tunnel. Then check the throttle cables. They should have two clamps securing them to the top of the plenum. Then check the throttle body. You may have to remove the cover to check that the cables are properly connected to the throttle plate cams or rod. It could also be that the throttle plates are binding in the throttle body.
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JB 1990 #148 Red/Saddle Haibeck AYBKG5 Chip/RC Engineering/Flowmasters/K&N/Samco/Fuzzy Dice :cheers: |
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08-25-2009
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#5 |
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Re: Stiff gas pedal
Have you been hiding your Viagra in the gas tank? I hear that can make the pedal stiff...
 If it stays stiff for more than 4 hours consult a doctor. That's what it says on my package.H 
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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08-25-2009
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#6 |
 Join Date: Jun 2009
Location: Glendale, CA
Posts: 41
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Re: Stiff gas pedal
30 mins with the subject of one of Jeffvette's avitars is the perfect cure for a stiff pedal...
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[IMG]http://i931.photobucket.com/albums/ad155/pqtaces/pqtaceszr1.jpg[/IMG] May all your cards be aces and your 0-60 times be sub 5s! Peter |
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08-25-2009
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#7 | |
 
Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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Re: Stiff gas pedal
Quote:
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
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