While parked or driving the van began to increase speed

You need to look for vacuum leaks first. Open the hood and look around for any vacuum hoses or lines that are broken or cut. Replace as needed. This could also be a throttle body or sensor issue. Use this link if you need to find a shop near you. https://repairpal.com/repair-shops Alex

Yellow light in dash staying on is telltale that there is a problem which need professional attention. ⬛️◼️◾️▪️ https://repairpal.com/repair-shops▪️◾️◼️⬛️