Monitor MPI it flashes F 13 or 14 & smells, I had it cleaned 6 months ago

No get it checked out

Sounds like the igniter is bad

You need someone to come take unit apart and figure this out. Don't put yourself at risk.

have the fault codes read as you may have injector problems from other sensors that are not working properly.

This sounds like an oil leak. Look for leaks at valve covers, and other areas above the exhaust. It often is the burning off of this small volume of oil, that makes the smell like you describe. Inspect the whole exhaust...Something is melting, somewhere.

I would take it back right away, when electronics break down in lees than 6 months it is not a good sign. Get the replacement or have it fixed under warranty.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

I have had this problem since I bought my washer. Some days the tub clean cycle will work....most days it won't. They have replaced the main board twice and it's still broken. I've had nothing but bad luck with LG appliances. Also bought a lemon fridge that took 4 repairman visits to fix. I will not buy another LG anything!!

If you purchased this machine NEW 6 months ago, everything on it is under warranty. You should contact the selling dealer to verify you are entitled to a free service call. Changing the filter is routine maintenance and in no way should affect the warranty.

The coils under the fridge gather dust. When it gets wet it stinks. A brush & vacuum cleaner usually works.

I have a propane monitor heater just installed 2 months ago and I get an e 13 code and the heater won't stay on???