Gas Cap Blunders The Root of Check Engine Light Headaches

Okay? It could also mean. that you need to replace your gas cap. Because these do get old. And if you get a new one, it's perfect ... This is because the gas cap keeps vapors from escaping the fuel tank. A loose or broken gas cap can dramatically reduce fuel efficiency and ... Your check engine light can mean extremely different things. It can be as simple as your gas cap being loose or something considerably serious as an engine ... It will eventually go away if it was just the gas cap or if you want you can disconnect the battery(this will clear the code) and see if it comes back. The gas cap light came on. Checked, and it was well secured. Now the check engine light is on. Did some internet searches and not sure there is a clear cause ... Your Hyundai check engine light may indicate that your gas cap isn't secure. Others, however, are potential catastrophes that take an expert's touch to diagnose ... Technically, yes, but it's not recommended. The gas cap's rubber seal maintains proper pressure in the fuel tank, which is crucial for reducing emission fumes ... These fuel vapors may trigger errors in the emissions system, which would light up the check engine light. Dirt and Grime that gets into the fuel tank could ... The gas cap will make the check engine light go on. Same thing happened to me once. I cleaned the gasket on the cap and cranked it down really ... It is the most common of about 100 reasons as to why the Check Engine light comes on. Always make sure you twist till it clicks.