Just had an issue when riding my husqvarna riding mower with the Koehler engine. Was mowing then it started to make a noise like it was going to stall from too much grass (lawn was not overgrown and it was my first pass). It came back to life then it started smoking from the engine and I turned it off immediately. Checked the fluids and it was out of oil with oil being all around the engine block. I put more oil in it and now the engine won't even turn over. I turn the ignition and it just clicks. It was giving out a high pitched whine and nothing. Any help would be appreciated.