I own a 2011 Chevy Malibu I lost my keys and don’t have a spare set is the key id on the ignition lock cylinder if not please help!

Hello. I purchased a used Malibu and once it started, the knocking sound was very noticeable. It was completely drained of oil so I added 4 quarts and of course a quart of Lucas. Not knowing much about vehicles at all, this thing knocks and quit completely. I honestly believe the motor was...

2011 LT 4cyl 2.4L I posted earlier about this and since then have tried some different things. Currently I’m at 14.9 mpg city and when I hit the highway it’ll go up to 15.1. I’m just burning through gas and I work up the road; it’s ridiculous. Air filter is new, spark plugs changed. MAP sensor...