Quote:
Originally Posted by jonho
Its odd that it ran fan the whole time we had it on the old ECU and tabbed gears then when we rebuild it runs but shows 18* advanced on intake cams. My theory is someone redid timing before we owned it did a replacement ECU tabbed gears and had the intake cams off a tooth then on startup thats how it learned it??
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I'm surprised it ran like that at all without throwing a code.