Okay so ever since I bought my car it has been throwing a heated circuit fault in two of my 02 sensors but has been running good no problems really so about two weeks ago I figure hey I am going to fix this and i replaced a rear o2 sensor and a front one. It starts running like crap and is throwing crazy codes like adaptive fuel @ limit and a lean code, so I couldn't figure out why it was running lean it had fuel pressure and everything seemed like it should be running fine.

Anyways I end up driving like this for a few weeks now and on friday my car wouldnt start when I went out to go for lunch at work so I pull my car into the shop and realize my battery terminals are loose, so I change them and my car fires up amazingly no problems what so ever the check engine light got reset when I changed the terminals and it runs harder than it ever did before.

Just figured id share my crazy problem with you guys and how stupid the solution was. Any of you guys ever experience a problem that was fixed so stupidly?

 

yea ive had a similar experiance a few times now any time a vehicle wont start thats the first place i go when your battery went dead it might have reset your brain box i was always told if you take the positive terminal off while the engine is running its supossed to reset and will re learn for the first hour or so but im no Ford tech.......

 

if you wanna reset it, pull them both off and then touch them together...

 

Your car requires a scan tool to clear the codes....

 

I cleared it with a snap on scanner four times.