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

96 Z28 dies after running for a little while

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Old 10-09-2008, 02:45 PM
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96 Z28 dies after running for a little while

crank it up it runs fine , but after around 15 minutes it dies, will not crank right away but let it sit and it cranks right back up and does it all over again.


anyone else ever had this problem?????


no codes are getting set , and i have no idea what the problem is.
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Old 10-09-2008, 03:10 PM
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Maybe a sensor (for lack of better terminology) is getting heat soaked causeing it to die.
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Old 10-10-2008, 07:03 AM
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Originally Posted by bombebomb
Maybe a sensor (for lack of better terminology) is getting heat soaked causeing it to die.

i was thinking the same thing , just didnt know what sensor to start with. lol
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Old 10-13-2008, 04:03 AM
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https://www.camaroz28.com/forums/sho...d.php?t=641184

i think you guys are in the same boat.
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Old 10-14-2008, 07:55 AM
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It may be the optispark distributor, there is a kit from MSD that Jegs sells it comes with MSD Optispark Distributor,MSD 6AL Igniton Box,MSD Blaster Coil,MSD Installation Wiring Harness,MSD Custom-Fit Super Conductor Spark Plug Wire for $989.99, i just got one, I love it.
But I just read someone elses post about the same problem and everyone else was also the opti but idk
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Old 10-14-2008, 08:46 AM
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thats great if you have the money but not nessisary if you dont. stock ignition is fine on a stock or bolt on car. just dont get a cheap *** opti. get msd or gm. if you go cheap go autozone that way when it goes out its free to replace.
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Old 10-14-2008, 11:33 AM
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new GMP opti dont have 200 miles on it. i will check the ICM
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Old 10-14-2008, 11:36 AM
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you can get the icm tested at autozone. new opti, but what about the cap?
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Old 10-16-2008, 07:01 AM
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Originally Posted by SS44Camaro
you can get the icm tested at autozone. new opti, but what about the cap?

it was all bought new complete opti
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Old 10-16-2008, 09:28 AM
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does your engine light come on? if so get it scanned
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Old 10-16-2008, 02:06 PM
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The two parts most vulnerable to heat soak are the IC Module and the optical electronics in the Opti. Was the problem there BEFORE you installed the new Opti? Have you checked the accuracy of the coolant temp sensor in the water pump housing?
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