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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 problems please help

   
Old Nov 13, 2013 | 07:43 PM
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Default lt1 problems please help
i have a 97 Camaro lt1 6spd about a week ago the car got a stumble in it but would ony stumble once or so and run fine the Monday as I was leaving work it dies at stop sign cranked few times fires up and runs great. well next morning same thing dies and fires up runs fine now the car has got hard to start smells flooded and tach jumps around bad, tried to scan and scan tool wont connect to car any ideas? im not a chevy guy so im lost any help would be great.
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Old Nov 13, 2013 | 07:54 PM
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ideal thing would be to be able to scan. I had an issue similar to this, it was the coolant temp sensor.
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Old Nov 13, 2013 | 07:59 PM
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ok well they had the fans crossed at the relay due to the thermal switch now they have locked up
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Old Nov 13, 2013 | 08:14 PM
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I wish I could figure out y wouldn't scan
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Old Nov 13, 2013 | 08:52 PM
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just checked and no spark coming out of coil
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Old Nov 13, 2013 | 09:58 PM
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any ideas guys
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Old Nov 14, 2013 | 12:32 AM
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Are you using an OBD2 scanner? Parts store scanner or?
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Old Nov 14, 2013 | 09:02 AM
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Originally Posted by BurntOrange
just checked and no spark coming out of coil
coil, icm, opti?

should probably start troubleshooting using info from shoebox site.

http://shbox.com/1/4th_gen_tech2.html#opti_test

http://shbox.com/1/coil_testing.jpg
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Old Nov 18, 2013 | 09:05 PM
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ok changing icm to a broken spare gm icm, and it ran but maf had to unplug do to surge, run good so bought new bwd icm installed, ran for short time and died like 20 seconds, so put gm part on it and ran, bought another aftermarket icm and same problem any ideas y it runs on old gm part and not aftermarket ones?
Last edited by BurntOrange; Nov 19, 2013 at 09:02 PM.
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Old Nov 19, 2013 | 07:51 AM
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It's hard for us to help you when your post are so poorly written. At least use some commas or something so we can read it a little easier!
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Old Nov 19, 2013 | 09:31 PM
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sorry didn't know it had to be perfect.
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Old Nov 20, 2013 | 06:44 AM
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Aftermarket Chinese junk does not work as well as genuine gm or ac Delco parts.
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