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

91 hot miss

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Old Apr 23, 2012 | 03:16 PM
  #1  
purvis1981's Avatar
purvis1981
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From: carbondale PA
Default 91 hot miss

i have a 91 and it has a miss i cant fix but only when it gets warmed up, the longer the car runs the worse the miss gets.. any idea need help....

thxs
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Old Apr 23, 2012 | 05:07 PM
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leesvet
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some more info...

milage?
mods?
last tune-up? fuel? fuel pressure & filter?

Have all the harness critical grounds been cleaned and checked? hows the ign? new, old, forgotten?

what was the last work done to the engine and when did the misfire begin?
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Old May 8, 2012 | 01:56 PM
  #3  
purvis1981's Avatar
purvis1981
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From: carbondale PA
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sorry just got time to look at it again,

well thats the thing i tune it up about a week before this started happing plugs,wires, cap and rotor. so i figure that maybe the problem so a did it all a again and the problem still there.

fuel filter is new and fuel pressure is in spec.
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