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

Cold Start Injector

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Old Jan 26, 2003 | 09:51 AM
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Default Cold Start Injector

If I get rid of my cold start injector on my '88 how do I get enough fuel? Do I just reprogram the ECM to add more fuel when its cold?

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Old Jan 26, 2003 | 09:57 AM
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Default Re: Cold Start Injector (joalyons)

If you have an Automatic, you can use a PROM with 89 code which eliminates the cold start injector.
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Old Jan 26, 2003 | 12:28 PM
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Default Re: Cold Start Injector (dgoodhue)

:iagree:
I updated the prom in my '86 to the ARAP code for an '89 and like the results. I was told the extra timing would cause spark retard problems with my iron heads, but I have not seen it yet. Just remember to disconnect the cold start injector when you swap to the later program code.
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Old Jan 27, 2003 | 06:13 AM
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Default Re: Cold Start Injector (joalyons)

Thanks I knew there would be an easy answer and somebody here would know it.

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Old Jan 27, 2003 | 08:47 AM
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Default

You'll be fine without doing a thing, but if you need to you can have the Crank Pulse Width Multiplier vs. Coolant Temp in your ECM modified.
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