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Here's What to Do When Your Check Engine Light Comes On

Monday, May 2, 2022



One in seven people drive with a potentially serious issue affecting their car — and they know it's happening, but don't take the time to get it checked or fixed.

One indicator that something is very wrong is when the check engine comes on. Although it can seem daunting to take the time out of your day to figure out what's wrong and rectify the issue, it's important you do.

At best, your car may become more damaged if you keep driving. At worst, you could endanger yourself.

Let's take a look at what to do when you see the dreaded light come on.

Observe Everything

The first thing you should do is take the time to observe everything you can see. Many common car problems can cause the check engine light to come on, and you might be able to diagnose the problem right from the driver's seat.

Look at the gauges. Is your car overheating? Is there low oil pressure?

Is there any other indicator something else is seriously wrong?

If there is, stop driving the car right away and call for help. If the car seems fine and there are no obvious issues other than the light, it's probably fine to drive your car to a safe location and get help from there.

Check the Gas Cap

One of the common car issues that is easily fixable and might cause the check engine light to come on is the gas cap coming loose.

Take the time to tighten it and then check the light. If the light has gone off, you're safe, and it was a minor issue.

See a Professional

While only 36.1% of people take their car to the mechanic the first week of the check engine light coming on, it's important to do so right away. While this is especially true if you can see or feel a visible problem when driving, it's still important if you don't see anything wrong.

Driving a car that already has an issue can damage it further. You may end up with more repairs, giving you more time without a car, and may have to pay more money — which is why many people avoid seeing a mechanic in the first place.

In the worst-case scenario, you may put yourself in danger. There are so many check engine light causes and while some of them are minor nuisances, some of them can be dangerous.

If the Check Engine Light Comes On, See a Professional

The best thing you can do when the check engine light comes on is to see a professional. Unless the problem is a minor one, like the gasp cap needing to be tightened, it's better to have it both diagnosed and repaired by someone who has the experience and knows what they're doing — before it's too late.

If you need auto repair services in Collegeville, PA, contact us today for reliable and quick help.

B&M Auto Repair and Towing is proud to offer mechanic services to the Collegeville, Phoenixville, and Oak PA areas. We fix brakes, provide towing services, and everything in between, so give us a call at (484) 358-6784 and let B&M Auto be your auto service and repair partner.


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