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Won't start when cold, batter, starter, alternator all test fine

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New User

Oct 25, 2017, 1:47 PM

Post #1 of 2 (524 views)
Won't start when cold, batter, starter, alternator all test fine Sign In

2011 Subaru Forester (not turbo) Manual with 75,000 miles

I have been having a hard time starting in the morning when it is cold. I thought it was the battery, got a jump and it started fine. Next day, same thing, needed a jump. Took it to auto zone, battery tested fine. Next day it started fine. Day after needed a jump again. Took it to the mechanic and left over night, it started fine for them the next morning. They tested battery, starter and alternator and all tested fine. Next day needed a jump again. Had it checked at O'Reileys just to see and starter and alternator were fine, it said the battery needed charged. Got new battery. Struggled to start after both times the battery was disconnected, but not like it has been, this time it was turning over but didnt start right away. Next morning, it still wouldnt start. I kept trying to start it and it started after trying it the 6th time. I drove to the store and had to try 2 times before it started. Then this morning, it wouldnt start, I jumped it, but noticed after I jumped it that my clock in the car hadnt reset, so I dont think the battery is actually draining. My mechanic cant figure out whats wrong with it. All of the test of the parts have been with them hooked up, not removed. It has only happened when it is cold and has no problem starting during the day. It acts like a dead battery, but dash lights and everything inside still work but when I turn the key, there is no attempt to start. Does anyone have any ideas? Thank you

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 25, 2017, 1:52 PM

Post #2 of 2 (521 views)
Re: Won't start when cold, batter, starter, alternator all test fine Sign In

If the car starts every time with a jump, then there is no question that it is a battery voltage issue. It could be a connection problem, a battery health problem or a parasitic draw on the battery.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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