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Author
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Topic: 99gt acting funny please help
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putter
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Member # 4253
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posted
 
 
1. When running for constant speed it has died when clutch was depressed.
2. When starting (seems worse when cold) it may start rev to 1500 or so then die without even trying to idle.
3. Idles like it has a cam (miss).
4. sometimes I think I can hear a vacum leak almost sounds like a super charger but I havent popped the hood when I hear this noise, it comes and goes.
I changed the front o2s, and sprayed motor down with some carb cleaner.
I think plugs are origional 75k but I dont think they are causing it? I have had the car for about a month all stock and seems seems as though all the symptoms come and go.oh and no engine light, maybe egr?
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Sellers Beware WayfastYtee "BAD TRADER"
Posts: 626 | From: sacramento | Registered: Mar 2004
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mtbaughs
Road Racer
Member # 4052
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posted
Check all your vacuum connections and your spark plug wire routing to make sure they are all connected and going where they are supposed to. Also if you have the ability scan the computer for codes. There may be a bad sensor somewhere. Maybe a back ect sensor. I'd start with that.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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99gt-UJSTLST
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Member # 584
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posted
did this problem start right afthere you changed the 02 sensors?
whats the last thing you did before this problem happend
also why did you replace the 02 sensors
Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001
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Joooestang66
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Member # 2828
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posted
Why did you replace the O2 sensors? I'd take it to a dealership if I were you. Check your air filter, If you have a stock airbox and filter you could have a rodent that made a nest with the paper element, clogging the MAF screen. I've seen this happen three times with the same symptoms on GT's. Also, check the air INLET (not intake, INTAKE is for ricers), tube for softness and soggyness, and check for pirate air.
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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putter
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Member # 4253
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posted
had same problems before but upgrade are
k@n filter,h-pipe o/r that is it.im gonna go find a mechinen tomorrow and get it done. thanks.
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KEEP THE SHIT REAL!
Is someone posting a bunch of B/S and lies? PM me Ill bust em out for ya!
Sellers Beware WayfastYtee "BAD TRADER"
Posts: 626 | From: sacramento | Registered: Mar 2004
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