It’s a scenario that’s befallen drivers everywhere:
They turn on the car and start to fiddle with the radio and the air. They glance left and right over their shoulders while buckling up to check whether they’re clear to back up. They put the car in gear, ease it down the driveway and go on their way. Then suddenly they glance down at the dash and notice with horror, the check engine light is on!
What does this mean? Well, for starters probably a pretty annoying day. If your check engine light is illuminated, it’s best to take it in for diagnostic testing with one of our service technicians. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There’s a problem with the car’s emissions system. The on-board diagnostics system and engine control unit are in charge of monitoring a bunch of different parameters, and if they get a reading that’s a little out of whack, they check the engine light.
The list of things that can trigger the check engine light is pretty lengthy. For example, anything from a loose gas cap to a faulty fuel injector can be to blame. Some other potential culprits that can cause that malevolent glow include:
Check to make sure your gas cap is on and give it a few more clicks to tighten it up. If that doesn’t work, head to ADVANCED AUTO DIAGNOSTICS, it’s always a good idea to get a professional to diagnose the problem. A few of the above items are inexpensive to fix. While others are more expensive, it’s still important to get them taken care of. Even though the car could be driving just fine, you may be wasting fuel, putting out lots of pollution and damaging the engine. One sign of immediate attention is if the check engine light is flashing on and off. This is telling you that the problem is in need of urgent attention before major damage is done.
Whatever you do, don’t lazily slap a piece of black electrical tape over it and go about your business. Cars just need a little love from time to time to stay in good shape, and neglecting a minor issue could lead to bigger problems down the road.
The check engine light is one of the most frustrating and confusing facets of owning a vehicle. It’s just a light with no information telling you what the problem is.
Unless your car starts smoking or stalls completely head over to ADVANCED AUTO DIAGNOSTICS and have our service technicians run a diagnostic to find the cause of the check engine light. Once here we will plug a computer underneath your dashboards OBD connector and read back a code stating what is going on with your vehicle. Which then will give us some direction on which components need to be tested to find the problem. If your vehicle is stalling or simply shut off take advantage of our commercial accounts with our private towing companies to get you over to the shop at a reasonable price.
An oxygen sensor is a part that monitors the unburned oxygen from the exhaust. It helps monitor how much fuel is burned. A faulty sensor means it’s not providing the right data to the computer and causes a decrease in gas mileage. Most cars have between two and four oxygen sensors.
Over time, the sensor gets covered in oil ash and it reduces the sensor’s ability to change the oxygen and fuel mixture. A faulty sensor not only reduces gas mileage, it also increases emissions.
Not replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can increase cost of repairs
You wouldn’t think a gas cap would be that important, but it is. When it’s loose or cracked, fuel vapors leak out and can throw the whole fuel system off. This causes a reduction in gas mileage and increases emissions.
If you get an error pointing to the gas cap it means fuel vapors are leaking out of your cap. This means the cap is either cracked or just wasn’t tightened well enough.
If your car isn’t feeling jerky or strange when the check engine light comes on, first you should check that the gas cap is on. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. If tightening the gas cap does not resolve the issue, come to ADVANCED AUTO DIAGNOSTICS to diagnose your problem.
The catalytic convertor works to reduce exhaust gasses. It converts carbon monoxide and other harmful materials into harmless compounds. If your catalytic convertor is failing, you’ll notice a decrease in gas mileage or your car won’t go any faster when you push the gas.
Catalytic convertors shouldn’t fail if you’re keeping up on regular maintenance. The main cause of failure is related to other items on this list, including a broken oxygen sensor or deteriorated spark plugs. When it fails, it stops converting carbon monoxide into less harmful emissions.
If your catalytic convertor fails completely, you eventually won’t be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can.
The mass airflow sensor tells the car’s computer to add the proper amount of fuel based on the air coming through to the engine. A faulty one can increase emissions, cause the car to stall, and decrease gas mileage.
Most mass airflow sensors fail because of an improperly installed (or never replaced) air filter. You should replace the air filter at least once a year to help prevent the airflow sensor from failing.
You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. Bring it into Advanced Auto Diagnostics and we will let you know what the most cost effective solution is.
The spark plug seals the combustion chamber and provides a gap for a spark to jump across and initiates combustion in your engine. When the Ignition Coils are failing, the spark plugs misfire. You’ll feel a little jolt in your car’s acceleration when this happens and lack of power. In some vehicles the vehicle will go into a safe mode and indicate lack of power in order to prevent damage to the engine and catalytic. Check engine light might also start flashing on and off.
Most spark plugs in cars should be replaced every 25,000 to 100,000 miles depending on the type of plug used. Still, plugs fail over time and there’s not much you can do about it. More common are direct ignition coils that fail to send the electrical power through the spark plug.
Get them replaced right away. If your spark plugs fail and you’ve made your way to ADVANCED AUTO DIAGNOSTICS, have our certified technicians check to determine the proper course of action to repair.
Plenty of other possibilities for a check engine light are out there, but the above five are the most common.
Hansel de Haro2023-07-25Been in love with this shop since day one. Very professional, and what a customer service! They will go any amount of extra miles to accommodate you as a customer. This shop is a rare gem in the times and days we live nowadays.Eric Bush2023-04-05Always above and beyond. I trust them so much, I drive or tow all my family vehicles over 15 miles to get to the shop. I have recommended friends and coworkers and they always agree that this shop is awesomely good. Iigor Alonso2023-03-28These folks are great in every way. Friendly, honest, and dependable. They also do a great job with all the repairs I have had. Thank you for all you do!Ge Em2023-02-27Always fast and prices are very affordable. Honest, good fast work and they are not after your pockets. I don't go anywhere elseJanice Jaramillo2023-02-03Had maintenance service for my Benz CLK 350 and it was quickly done. The attention and service was wonderful. Fernando is honest, friendly and a true professional. I do recommend this place for your car needs!👍Jack Siriani2023-01-30I am 55 years old and not a fan of the “online” world but I felt compelled to put a review for these guys. I must thank David and the staff behind him for their honesty and integrity. They saved me around $3,000 in unnecessary repairs that were suggested by my dealer!!! I ran these guys through 2 honesty tests and they passed with flying colors. Good people still exist !!!!Maria Jadoonandan2023-01-15Very professional and fast service on my Ghibli. 2 hour oil change. Price is right.Kelis Sampson2023-01-09I have brought my car in twice to this shop for a routine service and will continue to do so! Fernando and the team are all very friendly and helpful. They are honest with pricing and will inform you of any extra issues concerning your car. The service I received on my car was outstanding and I will recommend this shop to all friends and family!pavelon cuba2023-01-09Mercedes CLA 250 exellent service!!!!Load more