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 changed, professional fuel injector cleaning service performed. No change ... actually it dropped after the service. What else could this possibly be ?!? No codes. Runs a little rough when idle; doesn’t purr like when I first got it. ANY suggestions I’d appreciate it!