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post #1 of 33 (permalink) Old 07-06-2007, 03:07 PM Thread Starter
 
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Default fluctuation in bars on energy monitor

I have been noticing that the energy monitor bars on the dash screen are starting to fluctuate rather quickly; i can go from 1 green bar down to 2 pink bars in a matter of 10 minutes driving (usually in town, but a couple times on long distance trips). Do any of you have the same situation? Or i will park the car with 5 or 6 blue bars showing, and when i start up the car an hour later or so, it has gone down to 2 pink bars. At one point on a trip up the mountains (a one time occurance as i live in the flat desert), i got down to only one pink bar. But the car always replenishes back to blue and sometimes to green. Have any of you experienced this?
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post #2 of 33 (permalink) Old 07-06-2007, 03:12 PM
 
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If you are using the A/C, which I'm sure you are in Palm Springs, this is normal. The A/C with the compressor running full bore will deplete the battery down to 1 or 2 bars in a matter of minutes. This is especially noticeable when first starting out (when the compressor has to work the hardest), and in town when you sit at lights and the A/C runs without the engine on.
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post #3 of 33 (permalink) Old 07-06-2007, 04:49 PM
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I'm with redwein. We just had our hottest day of the year. It got up to 34 C yesterday! Well, that's hot for here. I hear Vegas was at 50 C. Ouch!

Anyway, I noticed my battery was fluctuating more than normal as well, and my car is new. It's probably the A/C. I don't usually use it but it was working fine yesterday. Oh, and I heard the rad. fan for the first time yesterday as well. The coolant actually got over 80 C. I saw 87 C once.

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post #4 of 33 (permalink) Old 07-06-2007, 07:15 PM
 
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It sounds weird to me - I occasionally get rapid fluctations like that, but only when driving in the mountains, not on level terrain. And I've never heard of the battery state changing like that when the car was not running. You should consider having it checked out.
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post #5 of 33 (permalink) Old 07-06-2007, 07:25 PM
 
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Anybody who lives in a hot climate will tell you this is what they see when they run the A/C. It can drop from nearly full to 1 or 2 bars while waiting at the first stoplight going home from work for me. He is in Palm Springs which is extremely hot right now so it would be unusual if it didn't happen. I'm guessing the battery state doesn't change so much while it isn't running. It just goes down very quickly if the battery is left out in the sun to bake and you turn the car with the A/C on.

I believe the charge state isn't linear per bar and that the middle bars show charging and discharging more rapidly than the bottom 2 and top 2. That's what can be deceiving and make it appear that it discharges while sitting.
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post #6 of 33 (permalink) Old 07-06-2007, 11:54 PM
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And of course everything is normal in this car unless you have an idiot light glowing. It will run completely as it should with the MFD off for months.



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post #7 of 33 (permalink) Old 07-07-2007, 12:29 AM
 
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It's the A/C. I commute about 160 miles daily in So Cal and I drive close enough to the coast that you rarely need A/C. This week was different. Was driving 20 miles without A/C and was in the green bars and had to flip the A/C on and within 60 sec was half-way down in the blue. With the A/C on it never was green again- always blue. When It started to cool down later into the trip and I turned off the A/C the green bars were back within about 60 sec.
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post #8 of 33 (permalink) Old 07-07-2007, 10:25 AM
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Default Coolant temp ?

I am in Largo Florida and have the same experience, my A/C is always on.
David Beale wrote "The coolant actually got over 80 C. I saw 87 C once." Dave, where do you see the coolant temp registered ?
I have a 07 pack #2 and see no coolant temp on mine dash board.

Thanks,
Terry

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post #9 of 33 (permalink) Old 07-07-2007, 12:02 PM
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post #10 of 33 (permalink) Old 07-07-2007, 01:17 PM
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Just taking my on a short trip to lunch and then getting around a few traffic stops to get on the highway and I come down to 2 bars. Seemed soon to me, but the AC was working hard.

It's normal if it is occuring at stops or very slow travel.
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