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Guest Message by DevFuse

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What have I done to our '06 Outback? 2.5 normally aspirated, auto.

stalls stumbles low idle dead battery

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2 replies to this topic

#1 mtsmiths


    Subaru Master

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  • Kailua-Kona, Hawaii

Posted 14 July 2014 - 09:58 PM

I inadvertently left the ignition on while cleaning the car, and after 18 hours it was seriously dead. Got it started with a jump (yes red to red, black to black) which did take some cranking and fussing.


Since then it is hard to start, idling way low (loping between almost zero and 250 rpm), stumbles, feels like it's hovering on the edge of a stall in traffic, and hesitates when driving. We live in Kailua-Kona village, a no highway beach town, so all subsequent trips have been short, slow, and in traffic. I've driven it on sport mode and kept the rpms up in the high threes and low fours a couple of trips, and I've opend the gas ca and resecured it.


Has it forgotten how to Subaru? I'm thiking the computer needs to be retrained? Best way? Highway trip, reprogram, has something been damaged? :-(




#2 brus brother

brus brother

    Subaru Master

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  • Connecticut

Posted 15 July 2014 - 11:54 AM

Yes, computer needs to relearn. Drive as you would normally use the car and eventually it will have enough cycles to relearn the ways of your Subaru.

Edited by brus brother, 15 July 2014 - 11:54 AM.

#3 johnceggleston


    Lite Master of the Subaru

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  • Virginia

Posted 15 July 2014 - 12:38 PM

or disconnect the battery over night, that will erase everything.


did you clean the engine or under the hood?

double check your hoses under the hood.

it sounds like you have a vac leak, a big one.

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