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Old 06-25-2020, 10:06 AM   #41
Schweiz
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Join Date: Jun 2020
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Quote:
Originally Posted by humfrz View Post
If you attach the multimeter to the battery with the engine running and all power consuming accessories turned off (especially the A/C) does the multimeter show a fluctuation in voltage coming from the alternator?

If so, you may wish to have the alternator bench tested.

If not, I would look to have the ECU re-flashed or get a store bought tune.
This was pretty much what I was thinking as far as the next steps. Thanks to you and everyone else for the insight.
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