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

Dieseling

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Old Sep 23, 2008 | 12:12 PM
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Default Dieseling

I have a problem with the car running rich--but also dieseling which is the part that really annoys me. I'm not throwing a cell or anything but most of the time when I turn the car off it will continue to sputter just for a second or so after the car is shut off...Also the lights on the instrument cluster will fade instead of just turning off.
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Old Sep 23, 2008 | 12:13 PM
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wow this is odd...have no answer for you man...has anyone done a motor/ harness swap in this car?
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Old Sep 23, 2008 | 12:19 PM
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common with any cammed out car....very common...no fix for it either
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Old Sep 23, 2008 | 12:37 PM
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Originally Posted by daniel6718
common with any cammed out car....very common...no fix for it either
your right but not once anywhere did he say anything about mods!! lol
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Old Sep 23, 2008 | 01:49 PM
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ya i know it was an assumption i never sen a non cammed car do it at all...

but its impossible to keep firing once ignition power has been cut
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Old Sep 23, 2008 | 01:58 PM
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Originally Posted by daniel6718
ya i know it was an assumption i never sen a non cammed car do it at all...

but its impossible to keep firing once ignition power has been cut
no its not ive seen a untouched stock lt1 motor have the vac lines pulled off and the key out of ignition and it stay running...get them hot enough or too much fuel they will keep igniting on their own and stay running...NO JOKE
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Old Sep 23, 2008 | 04:39 PM
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I've seen that ^ with the vac lines pulled and key off car turned over a couple times then died
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Old Sep 23, 2008 | 04:51 PM
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wierd stuff huh? its because the y get so hot they start igniting themselves
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Old Sep 23, 2008 | 07:14 PM
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By any chance do you have an aftermarket fan?
I ask because sometimes, the rotation of a fan will backfeed for a few moments if its not wired perfectly..
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Old Sep 23, 2008 | 09:25 PM
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My car did it when i had warped heads and my idle was set way too high.
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Old Sep 26, 2008 | 05:52 PM
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The fans aren't aftermarket but they are wired to always be on..its ghetto rigged too...I need to go through and fix that I guess.
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Old Sep 26, 2008 | 10:19 PM
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^^Yea.. something is keeping current going through the car when you shut if off for a sec. More than likely it could be them Fans, but there are more possible things with you Car.
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Old Sep 26, 2008 | 10:39 PM
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It's possible the ignition switch isn't cutting power immediately like it is supposed to.
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