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Honda Civic Hybrid Battery Pack Questions

32 messages,  Last post on Oct 07, 2009 at 2:46 PM

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#27 of 32 Re: IMA Battery not charging properly [funtechie] by acstella Aug 09, 2009 (6:16 am)
Replying to: funtechie (Jul 31, 2009 7:30 pm) I have the 2007 HCH. I drive the car like a science experiment. I too have seen some of these same issues.   1. For at least 3-4 months I have noticed reaching the the last bar on the IMA to be very difficult. I need to accelerate real carefully to minimize motor assist. I have counted only 6 - 9 times reaching the 8th bar in this time span and reaching the last bar seems to take forever.   2. When I spoke to the dealer they "talked in code" and wanted $90 to check the charging system/battery. I decline. I figure the codes would not show a problem at this point and I wanted more "ammunition" when I speak to the dealer again.   3. I also notice unusual charging behaviors while driving (long steady trips - Not City). If the IMA fell into the 4th bar it would try to charge, as it should, but sometimes the charging would continue until I reached the 7th or 8th bar. It almost seem that the car knew its battery was low and, if I gave it he opportunity on a steady run, decided to charge all the way.   4. As far as MPG. When my wife drives the car she never gets above 35 mpg. Because of my "hyper-miling" techniques I can still get 55-60 on long runs and 45 - 50 around town. As I said, I drive the car like a science experiment and have learned how to squeak out more mpgs.   It was on my trips to work during the spring that I first noticed the decline in IMA battery life. I will continue to monitor and take data. I will post these results shortly.
#28 of 32 Don't expect 100% battery charge by dag749 Aug 28, 2009 (8:45 am)
When I bought my 2006 Hybrid, the salesman told me how the 2006 had been changed from previous models. One change was that the charging system did not have as its goal a 100% battery charge. The goal was to average a 75% charge. It seemed that trying to maintain 100% was too taxing on the system. Under normal circumstances expect the charging meter to vary between 50 and 100%.
#29 of 32 Fuel consumption went from 50 mpg to 34 by funtechie Aug 28, 2009 (9:39 am)
I understand the goal is not to have the IMA battery at max charge 100% of the time, however, my fuel consumption is 30 to 35 (sometimes less) while the battery is at 6 bars or less. My colleague has an identical 2008 HCH and continues to get the 50 mpg that I got with this car during the first 6 months. The driver, the drive to work and the car have been consistent. What has changed is the IMA charge level and the fuel consumption.   A week ago, with 7 bars on the IMA battery, I drove 30 miles at 45 to 55 mph and saw 57.9 MPG. As soon as I got onto the highway, I found the battery dropped and my MPG dropped considerably. After 70 miles, I was at 35 mpg. THAT IS A PROBLEM. I purchased the car for the fuel efficiency. I could get 35 mpg with the standard Civic, so why would I pay a premium for THIS PERFORMANCE?   I have purchased a second car while I address these issues. 3 days ago, I took the HCH to Roberts Honda in Downingtown. In a short test drive, there doesn't appear to be an issue. HOWEVER, the performance of the battery is erratic in the longterm. I've asked the mechanic to drive the car as he would his own for at least 3 days. I really want some to explain why I've lost 30% of my fuel consumption at the same time the battery indicator began to show reduced levels if the charging and battery systems are functioning properly. If I don't receive satisfaction, I'll be pursuing action through the attorney general's office. I first noticed the fuel consumption dropping 10 months ago, but it was still in the 40s. I was told it must be my driving, but it doesn't seem to matter if I drive aggressively or using hypermiling techniques. The result is the same. THIS IS UNACCEPTABLE. On one occasion, I left my driveway at 7 bars, saw 4 bars only 2 miles later (downhill) and less than 10 miles after that was at 2 bars. I doubt the level should ever indicate these values unless travelling in a mountainous area. This was essentially a flat terrain and when accelarating I focus on less than 3 bars on Assist. Replies to this message: irisheyes785 (Aug 28, 2009 2:05 pm)
#30 of 32 Re: Fuel consumption went from 50 mpg to 34 [funtechie] by irisheyes785 Aug 28, 2009 (2:05 pm)
Replying to: funtechie (Aug 28, 2009 9:39 am) Dag- thanks for the post. i noticed my battery charge lower after they reprogramed the computer when i took it in for the trans problem. i guess that was the new upgrade that did that.   BUT- i too have seen my mileage go down into the 30s and 40s. it makes me really angry. my friend who owns a Cobalt gets the same gas mileage as me!!!! it's absolutely ridiculous! when i bought the car it got in the 50s.   Funtechie- PLEASE, post here if/when you take action! i would like details on how to do that. i feel like there's nothing else i can do and honda always jerks me around. i get email reminders when people put a new post up, so your reply will go to my inbox, that would be great help! thanks!!!!
#31 of 32 Dying Hybrid Battery by strobn Oct 07, 2009 (2:46 pm)
I have a 2005 Civic Hybrid that the dealer is telling me needs a new Hybris battery pack. I have found several places on line that speak of reconditioning a toyota, but nothing on the Civic. Does anyone have a link to information or could provide me with information as to options, if any to the new $3000 battery pack?

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