Check Engine Light On Ignore or Get It Fixed?

Try disconnecting the battery and reset the ecu. Takes like 5mins-15 mins to reset. If the light comes back on and your gas needle keeps ... If there are no other symptoms, your check engine light may indicate a problem with your computer, a loose gas cap, transmission errors, or ... 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 ... The check engine light is constantly on: Your vehicle's onboard diagnostic system has determined something is wrong and needs to be fixed. Although your vehicle ... pull the negative terminal out of the battery and open the driver side door for 10min so it releases any charge left in the system. Then put the ... If the car is running like it should, a broken O2 sensor is the most likely culprit. This might mean that the car is actually running normally, but since ... Engine oil level is fine and engine temp is fine; car drives fine. The ABS warning is no longer on, but the check engine warning light remains. CEL that goes off means the issue has "fixed" itself (bad 02 reading, loose gas cap). As others stated the code will be stored but if you're ... 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 issue can be anything – a loose gas cap, a failing catalytic converter, or a faulty oxygen sensor.