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I only had to remove the battery hold down bracket to remove the battery.
The engine is a 4 cyl.
I only had to disconnect the battery terminals which were easy to get to. The battery lifted straight out. It is located directly behind the air filter box. I have looked at that area for any thing that could have come loose. Didn't see anything obvious. In drive/reverse/neutral the engine only idles. there is no response from the gas pedal so I can't drive it anywhere. On level ground it will move in reverse and in drive it goes forward just no throttle. I'm at work now and will be home in 3 hours to mess with it. I have been told I can borrow a code scanner from autozone.
I am home now. I borrowed a code reader from autozone and it showed the following codes.
P2104 throttle accuator control system forced idle
P2112 throttle accuator control system stuck closed
then repeated these two again.
I checked all the connectors on the throttle body and air tube from the air filter and they look good.
I can't believe just changing out the battery would cause this.
I removed the negative terminal first. It did spark a little at the negative post when the terminal came off. I put the new battery in about 10 minutes after i took the old one out. Put the Positive on first. Then the negative. Then the bracket. I have done this many times on older cars without any problems. I'm 55 years and have seen alot of bad batteries.
just to update you on the repair. it ended up being something with the throttle body.
Not sure what it was and running out of time i had andy mohr ford pick it up to do the repair the next day. They replaced the throttle body and it ran fine. they could not under stand why replacing the battery would cause it to go bad. They said coincedence.
They charged me $290 parts and $250 labor. and did the work Dec 23 the same morning I called them.