C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Nov 15, 2006 | 10:44 PM
  #1  
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Default 86 Vette

Hi, please help!!!
I have never had this car in the shop!!!
And I don’t know what is wrong!
It always starts when it is cold
After running for an hour it will not start until it has set for an hour or so
Please Please Please Help me
Thanks
ebm257
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Old Nov 15, 2006 | 10:53 PM
  #2  
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Pull the ignition control module from your distributor and see if Autozone or a mechanic can test it for you. That's most likely your problem. If you replace it, don't forget to use dialectric silicone on the new module. It helps dissipate the heat which burns them out.
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Old Nov 15, 2006 | 11:14 PM
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And test your fuel delivery.
http://members.shaw.ca/corvette86/Fu...mDiagnosis.pdf
http://members.shaw.ca/corvette86/Ig...System-EST.pdf
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Old Nov 15, 2006 | 11:55 PM
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Originally Posted by ebm257
Hi, please help!!!
Please Please Please Help me
Thanks
How about helping us first by filling in your profile info?

Thanks
Reply
Old Nov 16, 2006 | 12:04 AM
  #5  
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Originally Posted by ebm257
Hi, please help!!!
I have never had this car in the shop!!!
And I don’t know what is wrong!
It always starts when it is cold
After running for an hour it will not start until it has set for an hour or so
Please Please Please Help me
Thanks
ebm257

Do you mean it won't spin over or will spin over and not start? If it won't spin, then it could be a heat soaked starter solenoid.
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Old Nov 16, 2006 | 07:45 AM
  #6  
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Originally Posted by mash557
Do you mean it won't spin over or will spin over and not start? If it won't spin, then it could be a heat soaked starter solenoid.


Clarification is needed. You need to tell us what you mean exactly by "not start". When it does not start:

Does it crank fine and just not fire up?

Does the stater not even click or spin when you turn the key?

A more specific suggestion can be given once this is known.
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Old Nov 16, 2006 | 11:34 AM
  #7  
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It takes air/fuel, spark, and compression (cranking) in order for it to run. First you have to figure out what is missing.

RACE ON!!!
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Old Nov 16, 2006 | 01:34 PM
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I guess he wasn't all that interested in getting help....?

Larry
code5coupe
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Old Nov 16, 2006 | 01:47 PM
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My 86 is similar. Starts instantly when it's cold but it's a lot harder to start warm but you can smell the fuel when you crank it a few times hot. Sometime cranks for 2-3 seconds before it starts when it's warm and just been shut off for a few minutes. I know I have a leaky injector and I'm assuming it's "flooding" the motor. I know it isn't an ignition issue because I replaced all the ignition components during they recent tune-up. There's that replacement theory again..

Fuel delivery system is next on my hit list. Accumulating the parts as I find them.

If it's still harder to start after that, then I'll start trouble shooting..
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