Quote:
Originally Posted by jmatta
Only problem with disconnecting the battery is you clear all the settings in the ECU, making it re-learn mapping when you drive again. This could be troublesome if the ECU is compensating for conditions outside the normal operating range. It also takes numerous cycles to "ready" all phases for emissions.
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I do this a lot since I often have to leave town for weeks or even a month. This might be a "problem" in theory, but I've had no problems. If my ECU has to learn anything, it does it unobtrusively and shows no symptoms of any kind. I reconnect the battery, reset the clock, fire her up and drive away. Absolutely no issues at all
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