I need the idel cord for my k grow pro

margarettasanchez K-Gro was a K-Mart brand. Your mower is most likely a Murray mower and your engine should be a Tecumseh Vantage 4.0 hp with some of them having had a B&S 4.5HP engine. Most common engine was the Tecumseh TVS115-56045B. Download the proper parts manual from here.

If you by any chance have another engine, do let us know so we can find more information on that for you.

You also want to let us know what it exactly is that you need. What do you mean by idle cable?