LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

ongoing problem,,,please HELP!!!

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Old Oct 27, 2003 | 11:50 AM
  #1  
YOSHI`S Z28's Avatar
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From: longwood,fl 32750
ongoing problem,,,please HELP!!!

well,
lately my car is bogging pretty bad in fourth gear at a steady low rpm,,,also if i hit the gas the rpms fly up but it doesnt engage in going any faster and it sputters real bad{thats at wot} the real kicker is that it only happens when the car is warmed up. the car runs great when it is cold and not warmed up..
please help

these are parts i just changed to try to fix the problem
plugs
wires
o2 sensors
coil

any help would be appreciated
josh
Old Oct 27, 2003 | 12:27 PM
  #2  
Fastbird93's Avatar
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From: Waynesboro, PA
Fuel or opti problem maybe??
Old Oct 27, 2003 | 02:10 PM
  #3  
YOSHI`S Z28's Avatar
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From: longwood,fl 32750
that is what i was thinking but,
why is it that it only happen when the motor is hot!
and runs great cool. could it be a sensor im not thinking about or something?
thanks
josh
Old Oct 27, 2003 | 05:58 PM
  #4  
94blackz14.2's Avatar
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From: Gainesville, FL
Might be a fuel pump going out. I have heard many stories about pumps working after it sits for a while and then once it gets warmed up then it starts acting up funny.
Old Oct 27, 2003 | 06:10 PM
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ead94z28's Avatar
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From: Maryland
Sounds like a bad cat to me.
Old Oct 27, 2003 | 06:38 PM
  #6  
YOSHI`S Z28's Avatar
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From: longwood,fl 32750
i thought it was a cat but, i remembered i dont have any!!lol
thanks,
josh
Old Oct 27, 2003 | 07:05 PM
  #7  
ead94z28's Avatar
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Must not be the cat then.
Old Oct 27, 2003 | 07:45 PM
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From: Waynesboro, PA
When I was experienceing an opti failing, the car would run fine when cold. Look out once it got up to operating temp though.
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