Quote:
Originally Posted by Jackal84
Hello to all!!
I recently bought an ELM327 Bluetooth obd2 adapter (Amazon.com)...
All work perfectly, torque is fantastic and easy to use...
I have one question... when i leave the adapter on my obd2 port and the car is off, the adapter is a littlebit hot, seem's some current is in it even the car is off...
Do you think i could have problem with the battery of the car?
Thanks! 
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I left my Elm327 in my car for several months when I used it. I drove mine's to work daily though, but there were a times when I drove my beater car to work instead, so the Elm was left in my car for 3-4 days at a time.
Nothing happened until a month ago... After leaving my car sitting for 4 (very cold) days, I found my battery was dead when I tried to start my car. Had to jump start my car, but the battery's been fine ever since. I don't have any other aftermarket electronics in my car that can drain my battery either.