Understanding the Check Engine Enigma Car Runs Well, But Light Stays On

Faulty wiring or an electrical glitch ... An electrical glitch could cause the check engine light to illuminate. Because cars are fundamentally ... Usually if you throw a CEL and/or LIMP it disappears after you re-start the car. Not everything breaks the first time so this could be the ... The car will many times idle like crap after a reset until you drive it around a bit. After tightening the cap, it still takes a few drives to ... Faulty sensor – There are a variety of sensors on your vehicle that can fail, and one of them may be the cause of your check engine light. The ... The issue can be anything – a loose gas cap, a failing catalytic converter, or a faulty oxygen sensor. The dreaded check engine light comes on while you are driving only to signify that there is a problem. The specific error or failing part could be one of many ... But since the official solution to the gas cap is so nebulous, if it's otherwise running fine and the objective here is to avoid a trip to the ... The engine management light is one of your vehicle's dashboard warning lights. An amber/orange engine light or red engine light (also referred ... Other related issues that could set off a vehicle's engine warning light include leaks in your gas fill hose, a faulty gas pump seal or gas cap ... The battery supplies electrical power to run the vehicle, but it also controls and stabilizes system voltage. Whenever you're diagnosing a "Check Engine" light, ...