C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Running terrible

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Old Apr 6, 2004 | 11:42 AM
  #1  
drezma's Avatar
drezma
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From: san diego ca
Default Running terrible

94 Convertible stock- Yesterday drove to work 50 miles ran great - last night after work started and running really rough - drove home and feels like running on 6 cylinders - shaking itself to death - this morning checked plug wires etc - all ok - when I turned off loud sucking noise like vacuum leak. Also when run RPM's to 2500 sounds like knocking. Please help.
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Old Apr 6, 2004 | 12:01 PM
  #2  
rick lambert's Avatar
rick lambert
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From: seattle WA
Default Re: Running terrible (drezma)

Throwing any codes? :eek:
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Old Apr 6, 2004 | 12:07 PM
  #3  
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St. Jude Donor '03
Default Re: Running terrible (rick lambert)

Throwing any codes? :eek:
:confused:
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Old Apr 6, 2004 | 12:30 PM
  #4  
drezma's Avatar
drezma
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From: san diego ca
Default Re: Running terrible (VictorRussell'92)

There are no caution lights etc
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Old Apr 6, 2004 | 03:28 PM
  #5  
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rick lambert
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From: seattle WA
Default Re: Running terrible (drezma)

Did you check vacumn lines :rolleyes:
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Old Apr 6, 2004 | 03:38 PM
  #6  
C10 JDR's Avatar
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Default Re: Running terrible (rick lambert)

Take the plugs out and see what they look like.
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Old Apr 6, 2004 | 08:24 PM
  #7  
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VettBrat
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From: Coweta OK
Default Re: Running terrible (drezma)

Mine did the same thing and it was MAF sensor. Mine is an 86. Unplug the MAF and see if it runs smoother. Mine was not pulling a code either.
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