So you see that infamous glow on your instrument cluster in your Volkswagen, yep, it’s your check engine light, and it’s on. Now what?
What is a Check Engine Light?
The check engine light is part of the onboard diagnostics (OBD) system in your Volkswagen.
What Does The Check Engine Light Mean When Illuminated?
When you see the check engine light illuminated in your dash, it means your Volkswagen has detected a problem within its OBD system.
What Problems Can Trigger the Check Engine Light?
Ranging from minor to major, a slew of things can trigger the check engine light to come on in your Volkswagen, including (but not limited to):
- Loose gas cap
- Faulty fuel injector
- Blown gasket heads
- Faulty oxygen sensors
- Cracked and loose hoses
- Faulty mass air flow sensor
- Worn out spark plugs and wiring
- Emission control system malfunction
What Should I do if my Check Engine Light Comes on?
Your best bet is to take it to a qualified Volkswagen specialist at a reputable Volkswagen service center for some diagnostic testing whenever possible. You'll want to make sure you have a qualified Volkswagen repair shop that is equipped with Volkswagen specific diagnostic equipment, such as a VAG-COM computer system or an Autologic computer.
The problem might not require immediate attention, but don’t wait too long because you don’t want the problem to persist and result in a costly repair at a later date.
If you also notice on your dash, in addition to the activated check engine light, that you have low oil pressure or your Volkswagen is overheating, you should safely pull off the road as soon as you can and shut off the engine.
What Should I Expect When I Visit my Volkswagen Mechanic for Diagnosis?
Your Volkswagen expert will be able pinpoint the problem for you by connecting your Volkswagen to a diagnostic scan tool. This tool will provide trouble codes stored in your electronic control system, and reveal why the check engine light came on. From there, your Volkswagen specialist will advise you on what to do next for your Volkswagen and recommend a proper course of action.
To be on the safe side, make sure to have your Volkswagen routinely serviced at the proper interval. Find an expert Volkswagen specialist at a local Volkswagen shop today!