The codes will go away with time, otherwise you can remove the negative battery terminal for about 10 minutes, then re-install. I suggest idling the engine for about 6-7 minutes afterwards. When you do a hard reset like that, the first thing it tries to do is reset the A/F ratio. This requires 5 minutes of idling after the engine drops out of cold start mode. If you have a tach, you'll notice the idle is slightly high, but after 5 mins it will drop to normal. If you touch the accelerator during this time, it will restart the test.
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Originally Posted by the user formerly known as ZX3_Chick
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