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car starts and runs for 3 secs and dies

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Old Sep 10, 2010 | 12:27 AM
  #1  
91Camaro_RS's Avatar
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car starts and runs for 3 secs and dies

so my car has spark, fuel pump is working, timing is fine

when i start it it runs for about 3 seconds and dies, but if i give it gas and hold it or rev it it will run fine, but it just wont idle

any ideas?
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Old Sep 10, 2010 | 08:16 AM
  #2  
A.Delaney's Avatar
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From: Streator,Illinois
Car: 92 camaro
Engine: 409 sbc
Transmission: TH 350
Axle/Gears: 4.10, mini spool, camaro housing
Re: car starts and runs for 3 secs and dies

When it idles for 3 sec what rpm is it at?
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Old Sep 11, 2010 | 02:44 AM
  #3  
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Re: car starts and runs for 3 secs and dies

when i start it rpms are normall then it goes up then rpms drop and it dies
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Old Sep 11, 2010 | 03:04 AM
  #4  
itsMikey's Avatar
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Joined: Apr 2009
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: car starts and runs for 3 secs and dies

neeed moar info...
if its a TPI..check out the MAF...hate those damned things....
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Old Sep 11, 2010 | 03:08 AM
  #5  
91Camaro_RS's Avatar
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Re: car starts and runs for 3 secs and dies

its a 305 tpi w/ speed density
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Old Sep 11, 2010 | 12:17 PM
  #6  
ZimGTA's Avatar
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From: twin cities
Car: 88 GTA
Engine: 383
Transmission: 700 r
Re: car starts and runs for 3 secs and dies

Sounds like the security system. Does the security light flash when it stops?
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Old Sep 12, 2010 | 04:06 AM
  #7  
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Re: car starts and runs for 3 secs and dies

actually i tightened vacuum lines unplugged map and replugged and now it runs great
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