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87 GTA 5.7 no start/idle issues

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Old Apr 6, 2012 | 03:00 PM
  #1  
GTA387's Avatar
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From: Metro Detroit
Car: 1987 GTA
Engine: 5.7
Transmission: Auto
87 GTA 5.7 no start/idle issues

Starts only when I crank it while givin it a lil gas,then I have to keep the revs up or it will stall.Smells too rich and upon first start and a lil blue smoke comes out that smells like gas.I replaced TPS,MAF burn off relay,fuel pump relay,cap,rotor,ign coil,and still no start.It has started once or twice and ran fine so I am done guessing. HELP PLEASE,also it only has 60000 original miles and is stock and has until now sat in storage since 1999.
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Old Apr 6, 2012 | 03:54 PM
  #2  
z28romance's Avatar
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From: massachusets
Car: 87 z28 stock
Engine: 305 tpi
Transmission: 700r4
Re: 87 GTA 5.7 no start/idle issues

what did you do to prep it before you tried to start it? was there any gas in it?

have you pulled any codes?
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Old Apr 6, 2012 | 06:22 PM
  #3  
GTA387's Avatar
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From: Metro Detroit
Car: 1987 GTA
Engine: 5.7
Transmission: Auto
Re: 87 GTA 5.7 no start/idle issues

I didnt prep it ,I bought it from a muscle car dealer and it did run beautiful for a month or so and now this starts bout 2/3 weeks ago.It still does run and drive great WHEN it does start.I have no code reader nor does the engine light come on?
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Old Apr 7, 2012 | 08:45 AM
  #4  
mrrman's Avatar
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Re: 87 GTA 5.7 no start/idle issues

Do you have the digital dash in this car? Curious.....if you do, where does the engine light appear?
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Old Apr 7, 2012 | 08:52 AM
  #5  
GTA387's Avatar
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Junior Member
 
Joined: Mar 2012
Posts: 17
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From: Metro Detroit
Car: 1987 GTA
Engine: 5.7
Transmission: Auto
Re: 87 GTA 5.7 no start/idle issues

It does not have the digital dash, I am wondering if the timing could be off or maybe the plugs are needing to be replaced? I am a backyard mechanic and not a pro so.........
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Old Apr 7, 2012 | 09:35 AM
  #6  
z28romance's Avatar
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Joined: Jul 2011
Posts: 232
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From: massachusets
Car: 87 z28 stock
Engine: 305 tpi
Transmission: 700r4
Re: 87 GTA 5.7 no start/idle issues

leaky injectors might cause your issue. have you done any fuel pressure tests?
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Old Apr 7, 2012 | 07:25 PM
  #7  
GTA387's Avatar
Thread Starter
Junior Member
 
Joined: Mar 2012
Posts: 17
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From: Metro Detroit
Car: 1987 GTA
Engine: 5.7
Transmission: Auto
Re: 87 GTA 5.7 no start/idle issues

I'm going to drop it off at a shop on Monday,I just drove it for the last 2 hours and it ran great,got home and let it sit for awhile and ...............Bam,no start again. I GIVE UP!
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