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need help with l98

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Old May 24, 2011 | 03:35 PM
  #1  
dodson55's Avatar
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need help with l98

i am having a problem with a l98 in a 89 corvette it runs fine for a min and then it will go to smothering it idles fine but will not take fuel fuel pressure is good and it is definatly a fuel related problem once the car starts its problem if you shut it off it will not start back on its own onless you prime it or let it set a couple hours i do not know where to start i am not a tpi guy i usually stick to lt1/ls1 engines
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Old May 29, 2011 | 01:45 PM
  #2  
watajob's Avatar
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From: Location, Location!
Car: 92 T/A 'vert
Engine: Mild .040 over L98 4 bolt mains
Transmission: Mostly stock 700R4, 2600 Vigilante
Axle/Gears: LS1 3.42
Re: need help with l98

I'd change the fuel filter, check pulse w/a noid light, then ohm the injectors.
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Old May 29, 2011 | 07:43 PM
  #3  
birdtojag's Avatar
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Posts: 684
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From: Mesa AZ
Car: 87 Firebird, 90 bird coming soon
Engine: 355 Chevy Vortec Heads TPI, LT1 inj
Transmission: 700r4
Axle/Gears: 2.77 posi 9-bolt
Re: need help with l98

Also check the fuel pressure regulator. Could be bleeding down too fast.
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Old May 30, 2011 | 01:07 AM
  #4  
skibum2100's Avatar
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From: Boulder Colorado
Car: 1988 GTA
Engine: 5.7 TPI w/ Bosch III's
Transmission: T56
Axle/Gears: 3.27 Borg Warner 9 bolt
Re: need help with l98

Check to make sure the injectors aren't leaking and running rich.
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Old May 30, 2011 | 03:06 PM
  #5  
dodson55's Avatar
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Re: need help with l98

fuel filter is new fuel pressure is good checked pulse of every injector they are good regulator is not bleeding off checked it idk what the problem is but it is some sensor or the ecm it sets no ses light i was thinking i might be the mass air but i have to put one on it as a guess
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