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89 pontiac ta starts and stalls wont idle

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Old Jun 6, 2015 | 07:24 PM
  #1  
1979camaro's Avatar
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Joined: Jun 2015
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Car: 89 trans am
Engine: 5.0
Transmission: 5 speed
Axle/Gears: stock
89 pontiac ta starts and stalls wont idle

I have a 89 ta 5.0 5 speed. I been having problems with it idling and running ruff. some times it will start up and run with no prob but if I shut it off and start it back up it wont idle unless I give it gas. but then it runs ruff and spits and backfires.it has all new injectors, mass airflow sensor, coil, plugs and wires and fuel pump I also checked the tps and that checked out good too.im stumped I need some help plz

Last edited by 1979camaro; Jun 6, 2015 at 07:28 PM.
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Old Jun 7, 2015 | 12:35 AM
  #2  
tealman92's Avatar
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Joined: Mar 2002
Posts: 998
Likes: 19
From: Ontario, California
Car: 1992 Z28
Engine: 383
Transmission: 700R4
Re: 89 pontiac ta starts and stalls wont idle

fpr and iac have you replaced or checked those?
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Old Jun 7, 2015 | 08:50 AM
  #3  
1979camaro's Avatar
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Junior Member
 
Joined: Jun 2015
Posts: 3
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Car: 89 trans am
Engine: 5.0
Transmission: 5 speed
Axle/Gears: stock
Re: 89 pontiac ta starts and stalls wont idle

Ok i dont want to sound stupid but what are those?
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Old Jun 7, 2015 | 04:47 PM
  #4  
tealman92's Avatar
Senior Member
 
Joined: Mar 2002
Posts: 998
Likes: 19
From: Ontario, California
Car: 1992 Z28
Engine: 383
Transmission: 700R4
Re: 89 pontiac ta starts and stalls wont idle

Fuel pressure regulator and idle air control valve
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Old Jun 7, 2015 | 07:01 PM
  #5  
1979camaro's Avatar
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Junior Member
 
Joined: Jun 2015
Posts: 3
Likes: 0
Car: 89 trans am
Engine: 5.0
Transmission: 5 speed
Axle/Gears: stock
Re: 89 pontiac ta starts and stalls wont idle

O ok i will check them out. I also herd that the knock sensors will also cause the same thing. What do you think?
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