Gmc terrain check engine light

We perform over repair and maintenance services including oil changes, brakes, diagnostics, belts and hoses, and more.

In some vehicles, the light comes in two colors: yellow to indicate minor problems and red to indicate serious problems. The check engine light is part of every vehicle that has an electronic engine management system, either an integral one or only for fuel ignition. Its function is to alert the driver about any type of engine problems. If any problem is detected, the check engine Light of your dashboard will turn on. Depending on the type of failure, the light may either blink or remain constantly lit. The check engine light can alert you about some failures but not all of them. It will depend on how complex the electronic control unit of your Terrain is.

Gmc terrain check engine light

Is your Check Engine Light on or blinking? Has the check engine light turned on in your Buick, GMC? It can be alarming seeing an engine warning appear on your dashboard, especially if you've never seen it before. A wide array of issues can cause a check engine light to come on, some more serious than others. Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. Failing Catalytic Converter : Your catalytic converter can eventually clog with material, especially with higher mileage vehicles. The catalytic converter is a vital part of the emissions system, removing toxic carbon monoxide. A failing or clogged catalytic converter can severely impact fuel economy and vehicle performance. Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Faulty spark plugs or spark plug wires can cause your engine to misfire, reducing fuel economy, performance, and even prevent it from running altogether. Faulty Oxygen Sensor : Due to long exposure to hot exhaust gas, your oxygen sensor might need replacing. The oxygen sensor provides vital air-fuel mixture information to the ECU.

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It's not unusual to see your check engine light come on when you're driving. If this hasn't happened to you, you've surely heard a friend or family member ask about it. Your engine light may or may not be a sign of something serious. What does it mean when your check engine light comes on? Is it dangerous, and what should you do about it? Schedule Service. Your check engine light can indicate many different issues or problems, some easy to fix and others more serious.

Trouble codes are a number sequence of letters and numbers that correspond with a standardized list of problems that can occur in any vehicle, including the GMC Terrain. Some of them are GMC specific, while most have the same meaning no matter who made the vehicle. The most common codes are related to the emissions system. Others require serious diagnostic tests from a repair shop. Any vehicle made for the model year and up uses the same protocol. The exact location of the port is going to depend on what model year you have.

Gmc terrain check engine light

In some vehicles, the light comes in two colors: yellow to indicate minor problems and red to indicate serious problems. The check engine light is part of every vehicle that has an electronic engine management system, either an integral one or only for fuel ignition. Its function is to alert the driver about any type of engine problems. If any problem is detected, the check engine Light of your dashboard will turn on. Depending on the type of failure, the light may either blink or remain constantly lit. The check engine light can alert you about some failures but not all of them.

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Note : While an auto parts store may offer this diagnostic service for free, it will try to upsell you car parts and repairs that your vehicle may not necessarily need. Failing Catalytic Converter : Your catalytic converter can eventually clog with material, especially with higher mileage vehicles. Search your problem. Your vehicle will also not pass the emission tests as a bad catalytic converter will release harmful compounds like hydrocarbons and nitrogen oxides. The check engine light is constantly on: Your vehicle's onboard diagnostic system has determined something is wrong and needs to be fixed. Smooth, easy, helpful and stress free 5. Full Warranty. Made apppointment. Another recommendation is to check the owner's manual , if you want to know more about the fault codes that the scanner will detect. The catalytic converter is a vital part of the emissions system, removing toxic carbon monoxide. Find Your Cost.

The appearance of the check engine light on your GMC dashboard left you concerned, right? But in many cases, it signals a relatively minor issue that can be resolved with a few simple steps. This article will help you understand the causes of why the check engine light comes on, and guide you in diagnosing and addressing the problem.

Keep in mind that if you have a top-quality scanner, you will be able to verify all the car sensors , avoiding blind maintenance which is a pointless waste of money. We perform over repair and maintenance services including oil changes, brakes, diagnostics, belts and hoses, and more. We're happy to get your car driving great again, and make that pesky check engine light turn off so you can drive worry-free. On the other hand, if it flashes, get to your mechanic as soon as you can. If any problem is detected, the check engine Light of your dashboard will turn on. Smooth, easy, helpful and stress free 5. Not doing so could damage essential elements like the costly catalytic converter and possibly create dangerous driving conditions for you. Randall D. Browse site version for:. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. A failing or clogged catalytic converter can severely impact fuel economy and vehicle performance.