Honda b18 CEL on and revs bounce?

I was in the middle of changing my fan switch when Autozone gave me the wrong one. I broke the original I had during the process and decided to just put it back in with the plastic broken, add some radiator fluid, and call it a day. When I turned the car on it took a few seconds, and after it started the CEL light is on and the revs bounce by about 300? What's the issue?

What is expected to get a auto loan from Nissan/Honda dealer?

I'm a stay at home mom but I can get a part time job if I also need proof of income. I have 7k savings and was wanting to make payments on a new car. I own a jeep right now and I own a mobile home. My monthly expenses are estimated at $400-500, lot rent is $125 utilities and sewage/water are 120-150 max, I'm able to coupon for food so we pay 50 a month to feed my family of 4. So literally my expenses are at 400-500 a month my spouse make 37k a year after taxes. We're married legally and file taxes together I haven't worked in the past year and a half but I know I have a credit score of 750 currently and went through 6 months of payments recently of 5k on appliance updates for my mobile home and just paid it off… I need advice on what to expect and how I can guarantee to get a car loan. My spouse has 2 credit cards 1 for 3+years and the second and the second one was a joint with me we took out in December 2014. But I know it will be difficult since he doesn't have a USA license or a social security number although I do have both

Car wheel is locked by the security system?

I have a 2012 Honda Civil. Today somehow the car got blocked by the security, I can't turn on the engine at all. The keys work normally, I can lock the door but just can't turn on the engine. Btw, the driver window can't roll up down either (the other 3 work fine)

Where I can get a car key made for a honda 2006 car?

I love in northern california. I purchased a key replasement. I already placed the remote in it. Now I need the blade to be coppied. I don't whant to go to the dealer, Its to expensive.

Added (1). I live in northern california.