mine's always idled between 500 and 600. not sure i'd want it any faster, i'd have to fill up between red lights. glad to hear it's doing well, but keep your ears open and watch the gauges. did you ever get a chance to see if you had thrown any engine codes? would be interesting to know what, if any, popped up.

 

Seems to be running fine now. I never had a check engine light and I don't have a code reader. I think maybe it had something to do with using my remote start andnot starting it with the key after changing the battery. I still need to put the optima back in.

Jim

 

Let us know....

BTW... mine is at 600 also.... I'll check the next time I have the hood open if it has the idle speed on the sticker under the hood...

 

Mine has done the exact same thing after I replaced the battery. Just leave it and it will reset itself.

 

.......... that WHENEVER changing out or disconnecting the battery on my computerized vehicle (my 1st was a 2000 seville STS), connect another 12V source to the leads. Naturally you don't have to have near the amps of the car battery to keep the memory from erasing. I think someone even make a 9V battery powered thingy that plugs in the cigarrette lighter for this purpose. Its always worked for me. Best of luck.

 

Mine idles about 600 rpm. I think thats about right.