Check Engine Light

Are there signs of low oil pressure or an overheating engine? If you notice anything, pull over and turn off your engine as soon as you find a safe place to stop.

Why Is My Check Engine Light On? | Reasons, Common Problems | Digital Trends

This is especially true if your light flashes or turns red. Then get your car towed to the Durand Cadillac Service Center so we can fix the underlying issues causing the problem. If you don't see any serious problems, try removing and replacing your gas cap. This will sometimes resolve the issue, although your light may not turn off until you've driven a few more times.

What Does a Check Engine Light Mean?

If your car gives you an engine light code, check that code online for your particular model to see if you can find a description of the issue. Then follow directions to correct the problem, including taking your car to a good auto service center in Leominster so they can fix it for you.

Whatever you do, don't go for an emissions test with your check engine light on. In most cases, your check engine light is a sure sign that your car won't pass the Massachusetts emissions test.

Is Your Check Engine Light On? We Can Help!

We can help with that too. Don't throw your wallet in the street just yet.

Check Engine Lights

Here are a few of the more commonly occurring issues:. Some cars measure how much pressure is building up inside your gas tank. All this means is that if your gas cap isn't on tight, it thinks something is up and lights the orange dashboard candle, the Check Engine light. Tighten the gas cap and see what happens. It may take a week or more before the light goes out.


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Any electrical hiccup under the hood can cause one of your car's gazillion sensors to take a funny reading. When it does, you can expect to see the Check Engine light.

Is it Safe to Drive With the Check Engine Light On?

We worked on a Ford truck once that triggered the Check Engine light every time it rained. After a lot of diagnosis, we found water that was dripping onto a spark plug wire, then running down the wire to the engine's head, causing an occasional short.

Auto and Diesel Check Engine Light Mesa

Every time the water ran down the wire, the light came on. More common than rain water getting in there is the overzealous owner who sprays his engine down at the high-pressure car wash, shooting water into every crevice of the engine, thus lighting the light. COM — The check engine light on the dashboard is a warning that many vehicle owners dread.


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All cars and light trucks have onboard diagnostics that are supposed to detect engine-related problems that affect the emissions control systems. If it stays on, that means there is a problem.

Faulty Mass Air Flow Sensor

If your check engine light is flashing or blinking rather than staying illuminated, it indicates a serious problem that needs to be dealt with right away. Many of the common causes of an illuminated check engine light are simple and easy to solve, but sometimes, an engine light means something serious has gone wrong. Related: More Electrical Advice.