after sitting for awhile my electronic throttle control light comes on. What does that mean? It will not start but it cranks

Hello, I would be inclined to first check for any diagnostic trouble codes that might have been set in the engine's processor. This could give you clues on what to look for. If there are throttle body issues related to a warning light, they will show in the test. However, most warning lights don't have any validity until the engine is running. So, you may be seeing that the light comes on to show that it's working at all, prior to engine running. An engine that does not start when cranking could be due to fuel delivery, lack of ignition spark, air intake issues or an emissions control concern. You could also have an anti-theft concern showing up. It's too hard to know without performing hands on testing. www.repairpal.com/repair-shops