Prius (2004-09) :: 2008 - Running Roughly - Hybrid Battery Drains Overnight
Jun 24, 2016
So I got a 2008 model, only owner. It has 107K miles. I've noticed something the last couple months now. When I park the car in the garage after coming home from work it has a full charge, about 3 bars below top, it's at the max of the blue color.
When I start the car in the morning it still displays the same level. But after driving down the road about 3 blocks it seems to update slowly and drops the level, sometimes down to the brown, about 3 bars high. The car will run rough for a while almost every morning now since it's not using the hybrid battery to smooth things out.
Ever since owning the car I've noticed it can run rough sometimes normally, like when you're at a train crossing and the battery drops to 2 or 3 and the engine powers on to charge it up a bit. When I drive away you hear the engine a lot louder than usual as it seems to be running on engine only until the hybrid battery gets sufficiently charged and you feel a lack of power as you accelerate.
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So this has happened to me a few times now in the cold temps. For my job I'm left to sit and idle every now and then after over an hour of driving.
I'll park my car, ICE will turn off, ICE temp at 195. Sit with heat on at 65 degrees. After about 10 minutes the engine temp will drop to about 110, which the ICE will start and warm up to about 135 and turn off. Hybrid battery stays above 55% and normally hits about 65% on every ICE start. (I have extra instrumentation installed to monitor)
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In comparing the battery drains on a Camry hybrid versus a Prius Gen II hybrid I discovered both have three stages of battery drains after a door open incident. On a Gen II Right after the door is open the drain was 1.37 amps.
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My hybrid battery has been running low the past few days. This has never happened before, but it has been around 90 degrees out during the same few days. I noticed it this morning as I left for work. It was down to two bars when pulling out of the garage. I was getting pretty nervous, but at least the ICE was charging it. Although, it never fully charged the system, as I live pretty close to work. On the way home, I tried to drive around for a mile or so to see if I could get the battery fully charged.. The best I could do was four bars. Is this typical of the hybrid system in warm weather? Should I be worried about it? Also, the system has a fan, why doesn't it come on if the hybrid battery is so temp sensitive?
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Code says P1121 Accelerator Pedal Position Sensor Range/Performance Problem. I heard that was wrong and its really coolant control valve? The battery drains fast and the can runs like crap. Would this code be doing that to the car?
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I have a 2008 F150 that the battery drains after sitting 4 days or longer. This has happened about a dozen times since I bought the truck and the dealer could never figure out why. Warranty is up now and it is STILL happening! I had corporate office insult me by telling me everything "checks out" and it is just like a cell phone. If you don't periodically charge it up, the battery dies. I asked her where I was supposed to plug my truck in at night and there was silence on the other end. I am 62 and have never had a car or truck do this from just sitting. The dealer insists everything checks out.
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I am having a mysterious electrical problem with my 2004 Elantra. The radio and clock light come on over night running the battery down. It started last winter. I replaced the radio in the spring and the problem went away, so I thought the problem was solved.
This past week the temperature got very cold at night for the first time since I replaced the radio, and the problem happened again. The next morning I drove the car for a few miles, came home, turned the car off, and the radio and clock light turned off as they should. I drove the car several times during the day and everything worked ok. I checked the car at midnight, and everything was still ok. The next morning the radio and the clock light were on again. This has occurred again each day for the last 2 days.
So it appears the electrical problem has something to do with the car being cold over night. How to resolve this problem - besides moving to a warmer climate.
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I'm new to this technology. I bought 2008 t spirit prius . The battery drains in couple of miles. I don't know what to check .
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I haven’t been on these boards very often since getting my used 2008 Prius because until now it has been very kind to me in terms of not needing mechanical repairs. Unfortunately that good streak seems to have come to an end. Driving home Monday evening (after ~30min freeway driving), my master system warning light came on, accompanied by the hybrid system warning light. I didn’t know what the latter was – had to look it up – but I immediately pulled to the shoulder. The car was driving normally, however. Since shops and dealers were closed for the evening, after much debate I ended up having the car towed to a family friend’s body shop; they were still there and had a scanner to check the error codes for me. My car was on the side of the freeway for well over an hour with hazard lights on and the dome light on and off occasionally as we got in and out of the car. By the time the tow truck arrived, I discovered that the 12V battery seemed dead; car wouldn’t boot up all the way, wouldn’t shift to neutral and didn’t want to power down – I had to try turning it off upwards of 10 times. I was surprised, given just the hazard light and limited dome light usage. We jumped it, got it in neutral and on the truck.
At the body shop, they said there were no error codes related to the hybrid battery; something about transmission that wasn’t clarified, and errors for low voltage on the 12V battery. With everything off, it measured 10-something V; something higher when turned on, but they believed the problem was a dead 12V battery. I was surprised that it would suddenly give out in the middle of driving, but we went ahead and replaced it the next day. I picked up the car Tues evening, and had no problems driving it home, to work the next morning. Unfortunately, during my drive home – strangely at almost exactly the same location as the first time – the same hybrid system warning light came back on. I’d driving about 70 miles with it off at this point before the reappearance. This time I didn’t pull over to the side (had enough of that before) but rather drove a few more miles to a parking lot where the car has now stayed overnight. I note that the car seemed to drive perfectly normally during that time; no loss of power.
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2005 f150 xlt supercrew. Battery dead overnight. New battery installed, and it was drained after a few days use, then an overnight sit. I hooked up my meter as required to check for an amp draw. 5.87a draw. Disconnected alternator, no change. Started pulling fuses. Fuse #107 Power Door Lock(BSM) pulled drops down to 1.04a. Radio power fuse pulled also, drops to .033a. I have had a problem with the 6 disc changer trying to load, read, eject etc so I will be changing out the head unit. I am stumped as to what to try for the 107 fuse though.
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The battery on my 4.2 liter inline 6 2008 chevy trailblazer is draining without the key in the ignition. I have checked the alternator, fuses, and starter with no luck. What might be causing this problem?
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I have rough idle problem after changing spark plugs, fuel filter and battery. There was no rough idle problem before this work was done. What could be wrong. Once the speed is above 20 mph it seem to run fine but at stops it vibrates and seem like it may stall!
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Some years back my "farm" '05 prius when a host of bells and whistles went off, cooling fan ran more than normal, and I lost power a couple of times. Turned out this farm prius had an accumulation of dirt, dog hair, hay and other debris that needed to be cleaned out. You got me through the whole process, and the car's run fine until.... . Fast forward a couple of years to 200,003 miles. Now the cooling fan is running pretty constantly, the red triangle stays lit, the check engine light comes on, the (!) is on, and the VSC light is on. Haven't hooked it up to check codes, but did check cooling fan and it's clean. Would it possibly possibly better to change the 12 volt battery?
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Every once and awhile when I take off in the c the car drains the battery like it gets stuck in ev mode. The ev light will be off and the ice will be running but from a dead stop take off, the instant Mpg will read between 50 and 75 Mpg till it drains the battery gauge .
After the drain it works normal charges the drained battery and might not happen again for a couple of hours or a month there is no time period it happens.
Does this sound like a normal hybrid behavior? That's what I thought at first but because of the inconsistency of the behavior.
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Purchased a 2006 prius not too long ago with just over 100k miles.
I like the car, I average about 42-44 mpg. It is really for my commuting. The question I have is it seems like my brake pump runs all the time. When I take my foot off the brakes, it runs, when im in a drive-thru, my battery drains super quickly, however if i put in park instead of leaving it in drive while in the drive-thru, it does not.
My only thought is there is something wrong with my brake pump and the way it drains batteries.
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My concern: The hybrid battery, or the monitor really, has never, ever, not once, shown an all-bars charge. It is almost always at one bar down, and will drop below that but never goes above. My brother has a Gen I and his battery shows all bars from time to time. Not mine.
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My hybrid system warning light came on last night in my 2005 Prius with about 89,000 miles. The car may have run out of gas (I wasn't driving). This car will only take about 8.5 gallons when the fuel light starts flashing. I started it this morning, light was still on, only 2 bars on battery, my car usually runs near the green, and the gas engine stalled after about 30 seconds. The gas indicator was flashing, so I added a 1/2 gallon I had at the house, and unplugged the 12v for about 10 minutes to clear the system. Upon restarting, fuel light was still flashing, but no hybrid warning light. Drove a few miles, filled up with gas, and drove another mile.
So my question, could running out of gas and driving a very short distance (light came on as my wife turned into our driveway), cause this warning light to come on? If so, will there be any lasting effects? Did unplugging the 12v battery clear the computer codes, or can I still get these read to learn more about what happened?
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My 2006 Prius battery runs down regularly overnight. It seems to be something connected to the immobiliser and/or the interior lighting.
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I see this was discussed back in 06 but not resolved. Maybe more owners have had additional experiences with this.
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Should I be concerned..I have been noticing my battery is charging down overnight. I checked and all lights are off. It does charge immediately in the 10 mile I drive to work..but I am concerned why overnight it should be discharging.
Another Question - The right/left indicator sound is very muted..is that normal? Like, if I have the indicator on to merge into traffic, I am not sure it is as I can barely hear it chirping..
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I recently purchased a used 2007 prius. The car has not been driven for some time. I won it in an auction from a used/wreaked car lot and am in the process of fixing it up. I need to know if it is possible to charge the hybrid battery when the car is idling or will this only discharge the hybrid battery and if so, is there any way to charge the hybrid battery other than driving the car?
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