Youtube link being embedded ??

Instead of the required iframe all I am getting wherever it is used is a youtube video clip that seems hardcoded ??

[i<section class=”entry”>
<p>
<!-- iframe plugin v.4.3 ww.wp.xz.cn/plugins/iframe/ -->
<iframe 0 1="href="http://energex.crocodilelock.com.au">http://energex.crocodilelock.com.au/"" src="http://www.youtube.com/embed/4qsGTXLnmKs" width="100%" height="500" scrolling="yes" class="iframe-class" frameborder="0"></iframe>
</p>
<p> </p>