I left my house for a 3-week vacation. I drove the car daily (03 Evo VIII) and it started up fine before i left. When i came home and tried to start it i got nothing, no crank. Battery seems fine, all i can hear when i turn the key is the fuel pump working. When i turn my key to the on position, the fuel level on the cluster doesnt rise at all (even though i had more than 1/4th of a tank.) Also my Greddy e-01 Electronic boost controller is not booting up all the way, its just glitching out or something. What could this be? None of these issues were present before i left. Hoping its not a serious electrical thing.

 

It sounds like your battery

 

Your battery is dead!

 

Letting the car sit that long, unless the battery is top notch, will run it dead.

 

Funny thing is I've had the battery sit for half a year, and it still started right up. Can't believe a short sit like this would drain it. I'll try jump starting it.

 

You must of had it disconnected.

My mother-in-law has a car and she doesn't drive. She keeps the car in case one of her daughters visits and needs it. She doesn't disconnect the battery and every time they go to use it, it needs a new battery.

 

Correct^^^^^the electrolytes burn off after awhile which will kill the battery

 

I have 3 cars and all 3 battery-tending chargers. Smart investment.

You can wrig up a harness with a connector so you only have to "plug in" your car to charge it. I love this and I have never had problems since. (FYI I drove my evo only 5000 miles in the last 7 years with no battery problems like this)

 

Case closed. Was the battery. Thanks guys!