LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Suddently wont start... Check...?

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Old 10-01-2006, 01:02 AM
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Suddently wont start... Check...?

Well it seemed like it was doing better recently, starting almost instantly, but drove fine all the way to my friends house even stopped for air in the tires and to get change.

Set for a hour or 2 came back out and now it would start. It will turn over and sound like its firing, or not getting any fuel or something but I'm not sure.

What all can i check?

Isn't there a purge value for the fuel right behind the instake that i can check?

Also how should i check for spark.

And what else could it possible be?? I had a bad 02 that i know of and I have a interview monday so hopefully i can get it fixed soon!
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Old 10-01-2006, 11:33 AM
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Re: Suddently wont start... Check...?

TTT anyone?
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Old 10-02-2006, 01:31 AM
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Re: Suddently wont start... Check...?

bump, got the same prob and already tried a pcm, and tested everything I know to test...
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Old 10-02-2006, 01:33 AM
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Re: Suddently wont start... Check...?

Sounds like it could possibly be your coil. Shoebox has a proceedure on his website how to check from opti all the way downstream.
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Old 10-02-2006, 03:20 AM
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Re: Suddently wont start... Check...?

hum yea i just tested for spark and fuel pressure. Fuel shot out when i pressed down o the valvue in the back Then i checked for spark at plugs and then coil end. Got nothing. Friend said there has to be a short running from the wires inbetween the pcm and coil. But he doesn't think my computer is messed up. So i had to towed to a shop and they are going to deal with it i guess. Or atleast tell me whats wrong.
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