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Discussion Starter #1
Hey guys,

I have a 99 Mercury Cougar V6, Five speed tranny.

It does not like to start easily at all when the engine is cold, I normally have to spray some starter fluid into the air intake to get it going. It does not have this problem after I get the engine warmed up and start it again. The battery terminals are pretty heavily corroded and do lose connection from time to time. Would a new battery fix the starting problem or is there another problem that could be causing this? I can't really just afford to purchase a new battery if that isn't the actual problem.
 

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I've cleaned the terminals a few times. Everything is pretty clean. The terminals are a oddly small size to begin with and one of them has a penny wedged between the post and the other piece to make a better connection when I got it. It only seems to do this whenever the engine is cold. I normally have to give it a good three second burst of starter fluid and then try to start it when the engine isn't warmed up.
 

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Stop in at a parts store and have them pull the codes - some may be "pending" and not light the check engine light. (should be free) Sounds like it's not sensing temp/air flow correctly. You could spend a chunk -o-change guessing at sensor A,B,C...but the codes and Google can be your friend. Google it and there may be a well known issue with that same symptom!
 
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