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mis-fire 350 tpi when cold

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Old Jul 27, 2009 | 06:08 PM
  #1  
DA BRONX's Avatar
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From: PALM CAOST FL
Car: 1987 GTA
Engine: 305
Transmission: T-5
Axle/Gears: 373
mis-fire 350 tpi when cold

ok my 87 350 tpi seems to have a mis when its cold.After it warms up to normal temp it seem to go away? The mis/stumble is only at the crack of the throttle.Im thinkin maybe intake gasket, runners or injector??Any help would be great...
Thanks
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Old Jul 30, 2009 | 03:01 PM
  #2  
DA BRONX's Avatar
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From: PALM CAOST FL
Car: 1987 GTA
Engine: 305
Transmission: T-5
Axle/Gears: 373
Re: mis-fire 350 tpi when cold

bump
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Old Aug 19, 2009 | 09:12 PM
  #3  
Sully89Firebird's Avatar
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Joined: Nov 2008
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From: North East Pennsylvania
Car: 1989 Firebird Formula
Engine: Stock 305 TPI
Transmission: 700R-4 w/ Shiftkit
Axle/Gears: Stock 2.73
Re: mis-fire 350 tpi when cold

Originally Posted by DA BRONX
bump


OHM your injectors, they should not be less then 12 and the tolerance is 0.5.
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Old Aug 20, 2009 | 01:09 PM
  #4  
85Iroc-Z's Avatar
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From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
Re: mis-fire 350 tpi when cold

I have a similar problem when I first start the car in the morning and drive away. When leaving from a stop the first few times it has a stumble. Im not sure whats causing it, but when I find the problem i'll let you know.
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