Navigating the Check Engine Maze Is It Safe to Drive?

A dead battery may not only cause the battery light on your car's front panel to turn on, but your check engine light as well. The car ... Another outside possibility, but since the car is running well it is not very likely, is a bad fuel pump that would produce low fuel pressure ... No. My rule of thumb is to run a tank or two of gas through the car once the light comes on. If the light doesn't go off then I take it in. The issue can be anything – a loose gas cap, a failing catalytic converter, or a faulty oxygen sensor. It can indicate more expensive problems like a mass airflow sensor, but it will still be safe to drive the car to a service center to have this diagnosed and ... It's not a bad sign. It simply means something is not working optimally. It may seem to run fine, but your gas mileage may suffer, or the engine ... 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 ... If your vehicle seems normal, a broken oxygen sensor is the likely culprit. This could mean your vehicle is probably fine, but because the engine is not getting ... 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 ... Low oil pressure is a common cause of a check engine light turning on, and it can seriously interfere with your car's performance.