Check Engine Light Diagnosis

What Should I do About a Check Engine Light?

The ideal response is to schedule a check engine light diagnosis promptly. A problem has been found, and automotive problems don't magically disappear. Check engine light diagnosis service will identify the problem while providing a staging point for the corrective maintenance needed to fix the problem and contain risk. You should also know the difference between solid versus blinking check engine lights.

Solid vs Blinking Check Engine Lights

Most check engine lights are solid. Solid check engine lights are non-emergency problems. You can continue driving with the recommendation that you schedule a check engine light diagnosis promptly.

Blinking or flashing check engine lights signal major trouble that is an emergency. You should stop the engine as quickly as possible, and call us at Niello Volkswagen in Sacramento, CA for advice. Continuing to drive with a flashing check engine light will lead to catastrophic damage with vehicle immobilization likely.

Most Common Check Engine Light Causes

Check engine lights can be caused by nearly endless problems ranging from minor and easy to fix to severe with repairs necessary. Here are the most common causes of check engine lights:

• Gas cap not secured properly
• Bad ignition coil, wires, or spark plugs
• Dirty fuel induction system
• Bad battery
• Sensors failing
• Catalytic converter damage
• Vacuum leak
• Recirculation valve