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94 z28 Good Spark No Fire

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Old 03-20-2006, 07:35 PM
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94 z28 Good Spark No Fire
I have a 94 z28 and It seems to have spark and the fuel pump turns on. It only has 62,000 miles and I have replaced the following:
Plugs
Coil Pack
Plug Wires
Flushed Out Gas Tank
Coil
Fuel Filter

I spray ether and it starts just barely. May I of followed out the new plugs cranking it over and over? I have no check engine light on and it reads no codes. Any help would be great! Thanks!
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Old 03-20-2006, 07:36 PM
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Re: 94 z28 Good Spark No Fire
Did set for 3 1/2 months (winter)
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Old 03-20-2006, 07:49 PM
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Re: 94 z28 Good Spark No Fire
mine has the same problem
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Old 03-20-2006, 07:53 PM
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Re: 94 z28 Good Spark No Fire
are you getting fuel to the motor
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Old 03-20-2006, 08:01 PM
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Re: 94 z28 Good Spark No Fire
Yea I can smell it... bad gas would that do it? Gas has sat about 3 months or so
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Old 03-20-2006, 08:05 PM
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Re: 94 z28 Good Spark No Fire
It might be a bizarre question to you, but it doesn't have anything to do at all the least bit with the alternator does it?
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Old 03-20-2006, 08:07 PM
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Re: 94 z28 Good Spark No Fire
Check your ignition module which is under your coil.
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Old 03-20-2006, 08:14 PM
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Re: 94 z28 Good Spark No Fire
It's brand new. Could I have fouled out the plugs possibly? Wouldnt a bad ignition module stop the car from even cranking?
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Old 03-20-2006, 08:26 PM
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Re: 94 z28 Good Spark No Fire
Originally Posted by LathersR
It's brand new. Wouldnt a bad ignition module stop the car from even cranking?
A bad module would just crank over but not start up.
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Old 03-20-2006, 08:45 PM
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Re: 94 z28 Good Spark No Fire
It wouldnt have anything to do with the alternator would it? The ignition module is brand new, anyway of checking it?
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Old 03-20-2006, 09:21 PM
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Re: 94 z28 Good Spark No Fire
Originally Posted by LathersR
It wouldnt have anything to do with the alternator would it? The ignition module is brand new, anyway of checking it?
As for the alternator it would just drain down the battery, then you wouldnt have enough juice to crank it up.
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Old 03-20-2006, 09:32 PM
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Re: 94 z28 Good Spark No Fire
Im pretty sure the module is fine, any way to check it to be safe? Wouldnt be bad gas would it? Thanks for the help
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Old 03-20-2006, 09:45 PM
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Re: 94 z28 Good Spark No Fire
I really dont know for sure if there is a test beside some type of electrical test to it. I was lucky to have many spare parts and swap out parts when I was trouble shooting. As for bad gas it's hard to say. Since i'm in the Navy there many time I left my cars sitting for over 6 months with the same gas in the tank when I returned.
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Old 03-20-2006, 09:55 PM
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Re: 94 z28 Good Spark No Fire
Well this was over the winter in ny and ice got on the top of the engine. I will look into another one, the gm dealer replaced it, how much do they run?
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Old 03-21-2006, 08:34 AM
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Re: 94 z28 Good Spark No Fire
Originally Posted by LathersR
Well this was over the winter in ny and ice got on the top of the engine. I will look into another one, the gm dealer replaced it, how much do they run?
If you got it from the GM dealer just take it back, they might replace it. If it's still under warranty. I belive it's about $50 for the part.
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