This will ensure your vehicle is running smoothly and efficiently, and will help prolong the life of your engine. This article originally appeared on YourMechanic.
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And free is good, right? If you'd be so kind as to allow our site, we promise to keep bringing you great content. Thanks for that. And thanks for reading Autoblog. Bad gas mileage If the oxygen sensor is going bad, the fuel-delivery and fuel-combustion systems will be thrown off. Rough engine idle and misfires As your oxygen sensor is going bad you may notice your vehicle is running rough, misfiring or running irregularly while idling. When to replace the sensor If your vehicle was manufactured within the past 15 years, the oxygen sensor should be replaced every 60, to 90, miles.
You may also damage the sensitive technology. Some people do choose to replace the sensor themselves, but you do need a special socket to do so. The check engine light is telling you your car has a fever. It might be something minor, such as a loose gas cap. It could also mean a faulty catalytic converter or wires that have been damaged. In some cars, a change in humidity can cause the check engine light to come on. Knowing why the check engine light is on can give you peace of mind, especially after making the necessary repairs.
Sun Devil Auto has 19 locations in the Phoenix Area that provide diagnosis, service, and repairs for all makes and models. Find the store closest to you , make an appointment and let us help you keep your car in peak performance.
Enter your email address and we'll email you a digital version of this coupon that you can present on your mobile device at your Sun Devil Auto Shop. Skip to content. Find a Location Locations. As mentioned, the oxygen sensor has a powerful influence over the air and fuel combustion process. If the sensor detects there to be less oxygen in the exhaust gases after combustion, the engine control module will try to correct this. The module will then detect that some kind of engine problem is present.
This causes the Check Engine warning light to illuminate on the dashboard. Codes P , P , P , P , P , P , or P , are examples of diagnostic trouble codes that may indicate an issue with an oxygen sensor. If there is a rich air and fuel mixture in any of the combustion cylinders, this means that more fuel is present than air.
This will not be detected by the oxygen sensor if it has gone bad. The result is a bad fuel economy and more money spent on gas. A rough idling engine means your engine does not run steady when the car is parked or stopped. The normal RPM rate for an idle engine is under 1, But if your engine RPM shoots up to 2, or 3,, for instance, then you have a rough idling problem.
This can be a symptom of many kinds of car problems, including a bad oxygen sensor. The engine timing will be more difficult for the engine control module to manage.
Anytime there is interference in the normal combustion process of the engine, you are going to experience a weakened engine performance. This is what will happen when you have a bad oxygen sensor. As you step on the gas pedal, the acceleration will be limited or nonexistent. Since the oxygen sensor is located in the manifold of the exhaust system, it is able to assist with emissions control. If you live in a state which requires regular emissions testing, you might discover that you have a bad oxygen sensor if you end up failing the emissions test.
It might not necessarily be linked to the oxygen sensor, but you will find out as soon as a mechanic checks to see why your vehicle failed the test. Best places to order parts?
Do not wait to replace your O2 sensor. As soon as you verify that your oxygen sensor is to blame for these symptoms, then it is time to replace this sensor immediately. Otherwise, you could be putting your engine at risk of getting severely damaged.
Then you will be looking at thousands of dollars in repair costs. Too much fuel left over after combustion is called a rich mixture.
A lean mixture without enough fuel produces more pollutants with nitrogen oxide. Here are some of the most common signs that your oxygen sensor is bad. The bright orange Check Engine light in your dashboard will usually glow if you have a bad oxygen sensor. However, a Check Engine light could also be from another problem with your engine, or even a loose gas cap. You should have your vehicle checked by a professional to find out what the problem is. Engines are less efficient when the oxygen to fuel ratio is too rich or too lean.
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