Check Engine Light Flickering? Gas Cap, the Culprit?

Engine Light On? · Don't let a bad fuel cap gasket tank your smog check test. No matter whether your car is old or new you could be wasting money and polluting ... Yes, it's possible that a loose gas cap can cause your vehicle to trigger a CEL (Check Engine Light). Check CAP application status · Submit CAP documentation · Search enforcement ... Engine and mechanical systems related to emissions performance. Evaporative ... These gasoline vapors can cause an error in the emissions system, which would light up the check engine light. Dirt and Grime that seeps into the gas tank could ... Just as with a blown intake gasket, this will result in unexpected readings by the oxygen sensor, triggering a P03xx code. A purge valve is more ... The cap check light comes on when there is air leak somewhere in your system - it might be tank or cap or something else. 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 ... I've had a weird intermittent check engine/VSC light problem. I've noticed that it comes after getting gas and sometimes goes away after getting gas. These gasoline vapors can cause errors in the emissions system, which could cause the check engine light to come on. Dirt and Grime that seeps into the gas tank ... A gas cap can cause a check engine light? Sounds like one of those superstitions or myths, doesn't it? But it's true! A gas cap with a loose ...