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Haltech How do you make a cold engine idle smooth?

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Old 06-12-02, 10:45 AM
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How do you make a cold engine idle smooth?

With my Haltech, when I start my enigine, it idles "lumpy" until it warms up, then it runs smooth as a baby's bare ***!

Are there settings in the Haltech that will remedy this?
Old 06-15-02, 12:45 AM
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Yes, coolant temperature fuel correction map. You need to add aditional fuel when the engine is cold.
Old 06-15-02, 05:16 AM
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It is probably too rich when cold and a little too advanced. If you connect the idle speed control you can replicate what Mazda does for cold starting. It retards the timing and raises the rpm to keep it stable.
Old 06-16-02, 09:25 AM
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Thanks Matt! That helped a lot!
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