Gas Cap Mishap Demystifying the Check Engine Light

58Willys Well-Known Member Jun 18, 2024 Yes, bad gas cap can cause CEL. But pull the codes to see what's really going on. 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 ... If it detects a loss of pressure in its cycle, the CEL to come on. No biggie, just get a new gas cap. Drive around with it and if it doesn't set ... Check CAP application status · Submit CAP documentation · Search enforcement ... Engine and mechanical systems related to emissions performance. Evaporative ... What It Means: Your check engine light may appear for a variety of reasons. Sometimes it is triggered by an open, loose or cracked gas cap, ... ENGINE LIGHT & GAS CAP LIGHT · Turn your car off, and wait until the engine is completely cool. · Put on safety glasses and gloves as a precaution ... Yes, a Gas Cap is usually the first thing you check and or replace, especially if you think it's having problems. Everyone on this forum that ... The reasons for a check engine light turning on can range from something minor like a loose gas cap to something more serious like a faulty catalytic converter. Why Check Engine Light Due To Gas Cap Happens? The fuel tank contains fuel, which is the material needed for the combustion process. The vehicle will run if the ... What causes this warning, as well as the check engine light to come on, is a fault with the fuel tank emissions/vapor emissions as a small leak has been ...