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

Another 165 to 730 question quick on

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Old Apr 16, 2002 | 08:47 PM
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Default Another 165 to 730 question quick on

Hooked up the knock tonight and no more code 43 or any code for that matter. But car runs like *&^%... It will even stall most of the time. I'm also getting a good amount of white smoke out the exhaust. What's that caused by? Any ideas of somethings to check, and/or do?

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[Modified by 88_vette, 6:47 PM 4/16/2002]
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Old Apr 17, 2002 | 01:11 PM
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Default Re: Another 165 to 730 question quick on (88_vette)

if you swap back to the 165 is it back to normal?
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Old Apr 17, 2002 | 01:45 PM
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Default Re: Another 165 to 730 question quick on (-=Jeff=-)

Yeah If I go back to the 165 the car runs rough for a few second until it learns, and then it's back to normal, and no smoke. :crazy:
Is this the fun part? :lol:
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Old Apr 17, 2002 | 02:49 PM
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Default Re: Another 165 to 730 question quick on (88_vette)

the white smoke has me confused... not sure where to start on that one
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Old Apr 17, 2002 | 04:38 PM
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Default Re: Another 165 to 730 question quick on (-=Jeff=-)

I asked my dad about it, and he suggested that a white smoke maybe caused by it being to lean? Other than a antifreeze leak.

I'm going to check the wiring again, and just run over all the stuff once more. If all that checks out then I'll get a new ECM just for insurance. They are like $89

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