Random No Start - Battery Dead
Hello all! My first post, thank you in advance for any help or ideas you can provide. Situation:
2008 Honda CR-V EX, 75,000 miles DEKA 651RMF Maintenance-Free Battery, installed October 2019 (500 CCA @ 0F) The car is driven daily. We live in the country, so about every trip is a good 15+ minutes, with half being on a highway (so it should have a decent charge most every time it's taken out) Randomly (every few days), there is not enough power for the battery to successfully start the car. It may slowly turn over a few times, but then it's dead. Sometimes so dead, I have to re-enter the radio security code. A jump start quickly allows the car to start. Things I have tried:
Any other ideas, experiences, etc.?? Thank you, again, for the assist! |
Take a look. It might help clear things up??
The only other thing I can thing of at this moment is advice to drive with the head lights on. This will make the smart charging system think it needs to turn on alternator to charge battery. |
@avisitor, that video is GOLD, thank you!! Even if I suspected a phantom draw on the battery, I really had no idea how to track it down.. now I do!
Also, good info/idea on driving with the headlights on. As you know, this vehicle does not automatically turn on the lights, and the usage of the headlights might be somehow involved here. It's certainly worth a try! Will keep you posted! |
Just saw on another forum where the battery light would come on intermittently, there was a voltage drop on the cable from the alternator to the battery. The schematic on my 2007 CRV shows it goes from the battery to the fuse box and then to the alternator. Corrosion can cause issues with charging which can also give one headaches. This is just a thought. Good luck with finding the cause and getting it fixed. Hope it is easy and a good cheap fix.
Note: Best to clean the battery posts and cable terminals. Follow negative cable to chassis ground and clean contact points. This helps with intermittent no crank, no starts .. sometimes? |
Thanks for the extra ideas! Battery terminals are very tight and clean enough to eat off of them. But I can't say I've tracked down the other ends, so I will have to do that!! Yesterday I swapped batteries between the vehicles, so now I'm waiting to see which car has a starting problem next. If the other car starts to have problems, then it's the battery... if the original car still has issues, at least I've eliminated the battery. Of course, both cars were fine today!! Got to love intermittent problems!!
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You probably did this already but did you check that the battery is topped off with distilled water? You car may not have a sealed battery. Just because it says maintenance free doesn't mean it is. A 2008 CRV should not have the parasitic drain that some of the newer ones have.
Interested to see how the swap turned out. |
Originally Posted by patruns
(Post 39135)
Interested to see how the swap turned out.
Pretty sure this is the ultimate answer! I'll report back if that's not the case. |
Good news, ... so far.
Hope this is the real fix. Thanks for the update. |
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