* Oxygen sensor: The oxygen sensor monitors the amount of oxygen in the exhaust gas. If the oxygen sensor is faulty, it can cause the check engine light to come on.
* Catalytic converter: The catalytic converter helps to reduce emissions from the exhaust system. If the catalytic converter is faulty, it can cause the check engine light to come on.
* Spark plugs or wires: If the spark plugs or wires are worn or damaged, it can cause the check engine light to come on.
* Fuel injector: A faulty fuel injector can cause the check engine light to come on.
* Vacuum leak: A vacuum leak can cause the check engine light to come on.
What to do:
If the check engine light comes on, it's important to have your vehicle inspected by a qualified mechanic as soon as possible.
