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6102 19TH St, Lubbock, TX, 79407

Why Is My Toyota Check Engine Light On?

why is my toyota check engine light  on?


Gene Messer Toyota invites you to find out why your Toyota check engine light is on.

The check engine light warns drivers of possible engine issues or total failure. There are lots of reasons your check engine warning light might turn on. It might be small things like a simple sensor failure, an alert to schedule preventive maintenance, or even warning drivers of major issues that may cause engine failure. So, just because the check engine warning light is triggered, it might not be a total disaster. However, if and when your check engine warning light comes on, you should bring it to us for a full inspection as quickly as possible. Even if nothing acts broken, getting it diagnosed can mean the difference between needing to replace your engine and a cheap repair.


Your Gas Cap is Old

Old Gas Cap

Something as silly as not replacing the gas cap or not tightening it completely can cause a check engine warning light. Your vehicle’s gas cap will probably need to be changed during your ownership. After 50,000 miles, you should consider replacing a gas cap. If it’s time to replace your gas cap, we recommend genuine OEM replacement parts. Parts from big box stores will work in a pinch, but nothing is better than OEM parts.

Oxygen Sensors in Your Vehicle are Failing

Faulty Car Oxygen Sensors

There are many sensors that feed info to your engine to help it run more efficiently. However, incorrect readings from components like the MAF sensor or the oxygen sensors can cause a check engine warning light. If the car seems normal, a faulty oxygen sensor is the likely culprit. This might mean the vehicle is fine, but because the engine isn’t receiving the data, it triggers the warning. Even if the car feels fine, you should get your car checked out ASAP to rule out any potential larger problems.

Old Spark Plugs

Bad Spark Plugs

Spark plugs are essential to the efficiency of your car’s engine. As the name indicates, they provide a tiny spark of electricity that ignites the fuel and causes an engine to run. Spark plugs have very exact tolerances for peak performance, and if the spark plug configuration is incorrect, it could possibly cause a check engine warning light. Symptoms of old spark plugs include diminished fuel economy, less engine power, and your engine just doesn’t run smoothly.



Toyota online car buying Lubbock  TX

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Gene Messer Toyota is one of the best places to get engine repair in the Lubbock area. We proudly service all makes and models of vehicles. Visit our location online or in person to schedule service and repair for your car or truck. Our friendly technicians are ready to serve you.

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Gene Messer Toyota 33.577852, -101.948606.