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Carb problem?

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Old Dec 23, 2008 | 12:15 AM
  #1  
fychelio's Avatar
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Joined: Jan 2008
Posts: 137
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From: San fernando Valley
Car: 1983 pontiac Trans am ws6
Engine: 350
Transmission: 700r4
Axle/Gears: ????
Carb problem?

I was having alot of trouble with my car running, idling, and driving and noticed that when i accelerated the car would only hit around 2500 rpms and fall off to the point of dieing until i let off the throttle, and the same as the car began dieing down I noticed a little green bar right above the choke moving down. Is the carb broken or the fuel pump?

My car is an 83 trans am with a rochester 4bbl carb
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Old Dec 23, 2008 | 12:45 AM
  #2  
Kevin84Z28's Avatar
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From: Sonoma CO. CA.
Car: 1984 Camaro Z28
Engine: L69 305 H.O.
Transmission: T-5
Axle/Gears: 3.73
Re: Carb problem?

Do you have an aftermarket "in-line" fuel filter? If you do, go ahead and replace it. If not, get a fuel line wrench and carefully take off your fuel line at the carb. There you should see a small brass screen. Look to see if it's clogged, replace if necessary. Get some carb cleaner and with the motor running squirt some into the secondary's. If that doesn't help it might be a throttle position sensor or the fuel mixture solonoid. Get in the car and turn your ignition to the "on" position but don't start the car. Do you hear a "ticking" sound coming from the carb area?
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Old Dec 23, 2008 | 12:56 AM
  #3  
fychelio's Avatar
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Joined: Jan 2008
Posts: 137
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From: San fernando Valley
Car: 1983 pontiac Trans am ws6
Engine: 350
Transmission: 700r4
Axle/Gears: ????
Re: Carb problem?

No i have whatever fuel filter they put in when i bought the car so i actually dont know. yeah i always hear that little tick.... is it supposed to do that all the time?

Last edited by fychelio; Dec 23, 2008 at 01:00 AM.
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Old Dec 23, 2008 | 11:29 PM
  #4  
Kevin84Z28's Avatar
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Joined: Sep 2004
Posts: 1,064
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From: Sonoma CO. CA.
Car: 1984 Camaro Z28
Engine: L69 305 H.O.
Transmission: T-5
Axle/Gears: 3.73
Re: Carb problem?

Yes it's supposed to tick. That's the fuel mixture solonoid. You're the origional owner? Sounds like a fuel problem, like it's not getting enough.
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