Interesting. I noticed this morning that once the engine reached operating temperature, most of the time it was dropping all the way down to 750rpm even at 65mph. I'm guessing it was the alternator, since nothing inside the car that I had control over was on last night.
I'll just keep an eye on it and see if I can see a pattern. I guess I could probably use my scangauge voltage and see if there's a coorelation.
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