What could cause the check engine light to come on?
The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine.
The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong..
What problems can an oil leak cause?
Leaking oil can cause ugly stains on your driveway and are an environmental hazard. And worst of all, engine oil leaks are a fire risk in your engine compartment and can result in catastrophic engine failure at the worst possible time, not that there is a good time for catastrophic engine failure.
Can your check engine light come on for no reason?
Fuel system Issues Something as simple as forgetting to replace the gas cap could cause your “check engine” light to come on. … A loose or broken gas cap can dramatically reduce fuel efficiency and increase emissions. MAF Sensor – Mass airflow sensors are a common item to go bad.
How long can you drive with check engine light on?
Typically, you can drive your car with the check engine light on as long as it’s running smoothly. Even though an illuminated check engine light isn’t a great sign, we want to help you understand if you can still drive your car, for how long, and what will happen if you keep driving with the check engine light on.
Who will check engine light for free?
FREE Check Engine Light Help is one of several free services offered by O’Reilly Auto Parts. Here are some others: FREE Battery Testing.