Weak battery causes slow starting and other problems - Toyota RAV4 Forums
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#1 (permalink) Old 10-29-2010, 01:37 AM
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Weak battery causes slow starting and other problems

I've compiled a few quotes from several posts made by 4.3 owners who have had starting issues and other problems that turned out to be a failing battery. The original battery that came from the factory seems to have an average life span of about 3 years. Many of these batteries slowly get weaker resulting in extended cranking times when the engine is cold. Others seem to fail all at once with no warning. I'm posting this as a reference for anyone who might be wondering why their RAV is taking longer to start:

February 5, 2010

Quote:
Originally Posted by patrick_ashour
Hi Friends,
My 2007 RAV4 V6, recently having some issues, when starting for the first time in the morning, or after 5-6 hours of inactivity, it takes more than usual time to get ignited.
when the engine is warm, the first ignition is starting the car, but when it's cold, it takes 2-3 time or 4-5 seconds to hold ignition key to start the car.

Does anybody experienced such a problem ?
what are the options to fix it ?

Thanks,
February 8, 2010

Quote:
Originally Posted by patrick_ashour
After unsuccessful attempts with changing gas brand, grade, air filter and all other fuel related issues, finally I decided to change the battery and that was the solution, so far after 3 days of changing the battery, the issue is gone and everything is back to normal.

Thanks for you advices and helping me to resolve the problem.

February 8, 2010

Quote:
Originally Posted by john1928
I have a 2007 V6 RAV with ~31K miles on it.

Up until yesterday when I drove home from work the RAV ran fine. This morning when I went to start it, it behaved normally lights/fans/cranking at what seemed like full power for perhaps half to one second, then nothing, no lights, no fan, no cranking. Turning on the dome light manually it was very dim.

I thought that perhaps a door was left open, or a light left on to drain the battery so I popped the shift button out, put it in neutral and pushed it out of the garage and next to our other car to try to jump it. I hooked up the cables and after a couple minutes tried to start it and it fired right off. I let it sit idling for about 10 minutes without any issue. Problem solved or so I though.

I closed the hood, put away the jumpper cables, etc. and headed for work. I could tell right away that something was not quite right. Whenever I would use moderate throttle the radio/dashlights would dim and all/most of the dummy indicators would illuminate, the engine would continue running while this happened. I turned around about a block from the house and drove home. I also noticed that there was a bit of flicker to the dome light and the odometer illumination on the dash.

Does this sound like a bad battery, a bad connection, or something else that could have simply failed from one day to the next?
February 8, 2010

Quote:
Originally Posted by john1928
Thanks for the help everyone. It was in fact the battery, when trying to turn the key the voltage would drop to ~3.3V.

No idea why it was functional yesterday and toast this morning, but it's back up and running now.

June 8, 2010

Quote:
Originally Posted by Forest
Our 2007 had the hard starting problem the last few days in the morning and I was thinking perhaps fuel pump check valve. This morning the dreaded click.click.click sound of a dead battery. Ran to Costco, new battery, RAV starts great, life's good!
July 25, 2010

Quote:
Originally Posted by darklord
Just this morning, I can't start my 07 RAV4 the car. I gave it a boost from another car and it started fine. But if the car slowed down, the lights on the dahsboard, AWD, Oil, you name it, would light up but the car is still drivable. I drove like that for 20 mintues, and stopped. This time the car cannot be started even with a boost.

To me this could be either the battery or the alternator. But it didn't look like the alternator because it was driving fine after the 1st boost for 20 mintues. So if it must be the battery but how can a three year old battery be dead?
July 26, 2010

Quote:
Originally Posted by darklord
Got the RAV4 fixed and it was the battery. The dealership gave me a Toyota
Premium COPBS-8424F battery to replace the original one and they look
different.

Come to think that I might have seen a tell tale sign of the battery dying
last winter, when there were couple of instances that the car would crank
hard to start in some not too cold mornings. I simply thought it's an 07 car,
what could go wrong and paid no heed to the symptons. Thanks for the
advice, I would stick to a 3 year battery replacement period as insurance
since a battery is not that expensive.
August 17, 2010

Quote:
Originally Posted by SeriousBlack
Ok, I have a question. I have a 2006 Toyota RAV4 V6 with 109,000 miles on it now. This past week, in the mornings, it is taking like 3 attempts to start. I was planning to change out the spark plugs at 120,000 miles. The BlackMobiles seems to run fine. It starts on the first try when warm. I've read about when it takes longer to start it could be the battery and replace it pretty quick because it might go dead all the sudden. I'll probably start with the battery tomorrow, but just wanted to see what you guys think. I'm on the stock battery and stock spark plugs.
August 18, 2010

Quote:
Originally Posted by SeriousBlack
Just did get it replaced. The guy said it tested ok. He did mention something about it dropping to an 8 on the second test (I don't know what that means). I figured to go ahead a get a new battery and hope it will last just as long (over 100,000 miles). We shall see if this makes a difference over the next couple weeks with the early morning starts.
August 21, 2010

Quote:
Originally Posted by SeriousBlack
Hey thanks RAVolution76! So far, the battery seems to have been the issue, but I want to wait a couple weeks before claiming victory. I didn't get any fancy battery. I went to AutoZone and got a Duralast 24F-DLG for 89.99 installed. It does have a yellow top
August 20, 2010

Quote:
Originally Posted by chewy2314
Glad I found this thread. my '07 RAV4 V6 Limited is at the currently at the dealer for this same issue: difficulty with cold start, no issue with warm start.

This issue started about 3 weeks ago. Dealer had it overnight (outside in Roseville,CA) but supposedly fired up right away. I park it in the garage, so i'm thinking they tried it after the sun was up and heated up the engine compartment.

I'll post if my dealer finds the issue.

edit: just talked to the dealer. my battery is testing at only 280CCA (battery is rated at 550CCA). so i'll be changing the battery and report back.
August 23, 2010

Quote:
Originally Posted by chewy2314
Well, i'm here to report that a new battery fixed my starting issue. starts like a champ now for the last couple of mornings.
August 23, 2010

Quote:
Originally Posted by dj06482
I've been seeing these same symptoms on our original battery over the past week, so today I checked the voltage across the terminals and got 12.5V. I pulled the battery and will take it to AutoZone for a full work-up.

First start generally cranks for a while, and I've even had to turn off and try again on a few occasions. Hot starts are typically fine...

Just got back from Autozone, they set the old battery to 500 amps and it wasn't even doing that. So, in my case it was the battery. I'll be installing the new one tonight, we got about 4.25 years out of the original. I've seen original batteries go much longer in other cars, but I guess we actually did pretty well considering the experiences of some others on here.

I am thankful it went gradually as opposed to all at once...
September 2, 2010

Quote:
Originally Posted by computerguy25
This past week my '08 Limited 2WD V6 with OEM battery started taking a few seconds longer to start up. I can hear the starter working but the engine doesn't turn over until after about 2-3 seconds. Previously the engine would start right up within a second. It happened once on Sunday after the car was sitting a day and a half in the garage. Then it happened to me again 2 other times this week when I started the car leaving work. I don't get the problem when the car is fully warmed up and I try to start it up then. After reading through the forums this sounds like the first sign of my battery going bad.
September 7, 2010

Quote:
Originally Posted by computerguy25
Thanks for all the feedback guys. I went to Autozone and compared the Duralast 24F-DL and Duralast 24F-DLG and they looked the same as far as placement of the posts and size. The guy at the store looked up my RAV in the computer and again the Duralast 24F-DLG was not listed so it appears the main Autozone database is not correct.

I installed the battery with no problems and it fit perfectly. Even the thin plastic heat shield that wrapped around my original OEM battery fit on the new one.

My old battery did test a little low so hopefully my start issues go away.
September 16, 2010

Quote:
Originally Posted by 7tisix
That was my problem, delayed starting. Doesn't sound like the battery, but in my experience with this problem, it is. The factory battery is a POS.
September 20, 2010

Quote:
Originally Posted by Oldguy
I had the problem of requiring several trys to start the engine on my 2007 V6 after setting overnight. The engine seemed to turn over normally each try but did not fire until the fourth or fifth try. I then used another vehicle to jump the battery for the first start of the day and it started immediately each of 3 days. I then bought a new battery and it started on the first try for the past 5 days.

If the battery is not the single cause of the problem, a new battery seems to overcome the problem for some yet to be determined period of time. If anyone discovers another cause please post it.

October 23, 2010

Quote:
Originally Posted by savvy
This has started happening over the last week and it is quite strange

When the engine is cold I seem to need to crank longer than when it is warm (which will immediately start). The battery is charged fully and the cranking sounds strong. I cleaned the contacts of the battery and its terminals with no luck. Any ideas on what this could be?
October 26, 2010

Quote:
Originally Posted by savvy
I love this site. I was thinking "there's no way my 3 year old battery is dying - I've been recharging it and its *only* 3 years old".... then I come here and confirm the weird cranking and flashing lights behavior and how many people are having batteries die.

Bought an Autozone Duralast Gold 24 last night. Fits fine with the heat shield in my 2007 V6 Limited.

We'll see if the cranking is fixed after a few cold starts.

It was the battery!!!!

Starts like a charm and the 24 size fits no problem even with the heat shield.

I'm so happy, thanks everyone for the help

James
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#2 (permalink) Old 10-29-2010, 11:02 AM
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I suspect that what all the quoted cars have in common is their batteries needed to be replaced well before they actually were. And if properly load tested they would all have failed.
According to this site http://autorepair.about.com/library/.../aa101604c.htm
a good fully charged 12 volt battery won't drop below 9 volts while cranking unless it's below freezing. Yet, thanks to Toyota, our RAVs will still start, albeit somewhat slower, at 8 volts with a battery that's on its "tenth life." That's why the "just replace the battery" answers usually turn out to be right.

Philosophy: On the first page the site says, "If you only think about (testing it) once a year, fall would be a good time to go outside and spend some quality time with your battery." Yeah, like that's gonna happen! It's maintenance free isn't it? Instead we'll run it into the ground, beat a dead battery and then complain it was junk from Toyota that let me down. But we get even more POed if someone tries to sell us something we didn't absolutely need.

As for me I will use it all up but replace it one start before my wife gets stranded!
I use batteries, usually from Walmart, with a 5-year warranty with 3-year free replacement warranty.

BTW, I wonder how long the 100-month (8 years, 4 months) Honda battery that came in my used Accord will last?

Fred
2006 RAV4 V6 4WD Red Limited - wife's
2006 Accord V6 Hybrid - Dr. Dyno's - quick as the RAV but +8 mpg
2003 Odyssey V6 - handy people & cargo mover
1999 F-250 4X4 Diesel - snow plow, Bully Dog chip
2001 F-250 4X4 Diesel - truck camper, TS chip, 20' bike/trike dyno trailer
2004 Suzuki DRZ-400S Dual Sport

It's the pedal (or the handgrip) on the right!!
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#3 (permalink) Old 10-29-2010, 12:21 PM
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Sounds just like my Mazda. Ensure the battery dies just after 3 years so that it's not under warranty anymore.

junebug, thanks for making this thread too. It's really informative and now I know what to look for if the battery starts dying. I wish there was some resource like this when I had my Mazda cause that battery died on New Years Day when everything was closed and I was parked illegally too.
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#4 (permalink) Old 10-29-2010, 12:57 PM
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Batteries can last anywhere from 18 months to 84+ months.....

It all depends on.........
Where you live, heat and cold kill batteries.
How much extra load you put on it.
How often you charge it, either by driving or charging.
Do you let the water level go down by not servicing it (Maintenance)

I know of batteries lasting for years and others for months.....

Bottom line is: Do proper maintenance and be aware of poor battery performance so you do not get stranded.

Yuma,

In the Free State of Arizona.
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#5 (permalink) Old 10-29-2010, 01:34 PM
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Bottom line is: Do proper maintenance and be aware of poor battery performance so you do not get stranded. Shocked

Every 6 months I add distilled water. Seems that it takes about a cup and a half each time. That would be 9 cups by the end of 3 years-enough to kill a battery?
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#6 (permalink) Old 10-29-2010, 02:00 PM
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Quote:
Originally Posted by Yuma
Bottom line is: Do proper maintenance and be aware of poor battery performance so you do not get stranded.

Yuma,
But Toyota says the batteries are maintenance free!

Anyways, I really hate how the sight bubble is covered. I remember before, I can look into that bubble and it indicates roughly what the condition of the battery is.
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#7 (permalink) Old 10-29-2010, 03:48 PM
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Quote:
Originally Posted by focus123
Quote:
Bottom line is: Do proper maintenance and be aware of poor battery performance so you do not get stranded. Shocked
Every 6 months I add distilled water. Seems that it takes about a cup and a half each time. That would be 9 cups by the end of 3 years-enough to kill a battery?
Not if it's needed!!!! Also, why? If you live in a hot climate (like I do) and drive a lot, OK.
You may have a charging issue that might cause the water to boil off... (Check out every thing).

As for Maintenance Free....... Yes there are some newer batteries that are maintenance free BUT, if you have a load on them all the time (as newer cars do) they may need to be topped off with a trickle charge every now and then (if you have the car parked a lot). So there is SOME maintence....

Yuma,

In the Free State of Arizona.
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#8 (permalink) Old 10-29-2010, 04:22 PM
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Quote:
You may have a charging issue that might cause the water to boil off... (Check out every thing).
I have done this with every battery that I have owned. No charging issues.
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#9 (permalink) Old 10-29-2010, 05:31 PM
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Something else to consider is some of the OEM no maintenance batteries can leak. As a matter of fact both of our 2008 RAV's had batteries that leaked. It was a corrosive mess. Both were replaced under warranty with a new but regular "requires maintenance" batteries. With the old batts out the tray and surrounding areas were power washed to clean them up. The mechanic at the dealership discovered it on my car and handled it. When I got home I looked at her car and it was also leaking. I've never seen this before and I've owned 40-50 cars over the years. Point being, it's worth checking the battery visually every once in a while even if a no maintenance type......something I will do from now on.

Old Bird......sometimes wise
2008 Base V-6 front wheel drive
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#10 (permalink) Old 10-29-2010, 07:24 PM
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Quote:
Originally Posted by RTexasF
Something else to consider is some of the OEM no maintenance batteries can leak. As a matter of fact both of our 2008 RAV's had batteries that leaked. It was a corrosive mess. Both were replaced under warranty with a new but regular "requires maintenance" batteries.
Where were the batteries leaking from? Was there a crack in the case? I assume they were the OEM Furukawa batteries? I'll be keeping a close eye on mine.

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