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When your oxygen sensor is faulty, your car will use up more fuel and produce more emissions.Ī faulty oxygen sensor is not an alarming problem, but get your mechanic fix it as soon as is convenient. It then communicates this information to your car’s computer so that it can adjust the engine’s air and fuel mixture. The Oxygen Sensor measures the amount of oxygen in your exhaust system. Most Common Causes for the Check Engine Light to Come on Faulty Oxygen Sensor Just an easy-to-understand explanation of what your car’s computer is trying to tell you is wrong. ![]() No confusing acronyms, no technical jargon, no obscure references that only automotive engineers can decipher. GOFAR explains more than 300 common error codes in plain, simple English. OR… You could stay one step ahead of your mechanic and use GOFAR to self-diagnose your car’s fault codes and immediately understand the severity of the fault. The thing is, this warning light can indicate almost anything from a loose fuel cap to a (far more serious) engine knock. Your mechanic will then read the generated fault codes on your car’s computer using a scan tool and recommend the necessary repairs or parts required to rectify the problem/s… and bill you for the cost, of course. When the light is on, the engine control unit actually stores a fault code related to the malfunction, which can be read and interpreted by an On-Board-Diagnostics or OBD2 scan tool.Īll cars built in the US after 1996, in Australia after 2006 (petrol) and 2007 (diesel), in Canada after 1998, and in the UK and Europe after 2001 (petrol) and 2004 (diesel), are OBD2-compliant. If you observe nothing strangely unusual, you could keep driving to your nearest car dealership or repair centre. Is it bucking, surging, or making unusual sounds? Panic.Ĭheck whether your car is behaving differently. ![]() When the check engine light does stay on… Don’t. But if no problems are detected, it should turn off within 6 seconds. It’s usually displayed on your dashboard as a pictogram or symbol of an engine, or sometimes simply CHECK ENGINE, or CHECK ENGINE SOON.ĭid You Know? – When you start the car, the check engine light always comes on. When something goes wrong in this complex collection of components and sensors, it triggers this light. The Check Engine Light, also called the Malfunction Indicator Light (MIL) is a warning light (sometimes called a tell-tale) that indicates a malfunction with your vehicle (as detected by your car’s computerised engine-management system). You can buy a quality scanner online.ĭon’t Trust Your Mechanic? Get help here What Could Cause Your Check Engine Light to Come On? The cost for an OBD2 scanner ranges from a few dollars to hundreds. These are diagnosed, and explained, by an OBD2 Scanner. Whenever you start your car you’ll notice that the check engine light glows temporarily – usually for around six seconds.Įvery error light has a corresponding error code. The check engine light will either be in a solid unblinking state or flashing. It’s main function is to let you, as the driver, know that one of the car’s sensors is not functioning correctly. ![]() It looks like an engine and typically includes words such as “check.” Usually yellow or red. The check engine light is easily identified. Let’s dig a little deeper into why your dashboard warning lights are on … View all Car Warning Light Symbols and IndicatorsĮvery car has an assortment of car warning lights on the dashboard and they all have a different meaning. Get GOFAR Now! – It’s like having a mechanic in your pocket. GOFAR comes pre-loaded with 20,000+ error codes and tells you, in non-technical terms, what the issue is with your vehicle. A diagnostics tool, such as GOFAR (view full feature list), can be used by anyone, not just a mechanic. Decide whether to install an OBD2 diagnostics device or visit a mechanic.Īn OBD2 scanner is able to diagnose the car warning light problem and alert you to future issues. How is it handling? Driving straight or wonky? Do you hear any strange sounds from the engine bay? Can you see any steam or smoke coming from the car? Use your hands, eyes, ears and nose to assess whether there is something unusual happening with your car. If the check engine light is on and steady (not flashing), you can keep driving as long as the car isn’t performing strangely. Step 3: Diagnose the issue with a diagnostic app This will give you time to check on the problem. Slow down, pull over to the kerb and stop. If it’s flashing for more than 6 seconds, that is potentially an emergency situation. The check engine light is typically a yellow or red engine shaped icon situated in the middle of your vehicle dashboard, behind the driving wheel. What should you do? Click to learn about GOFAR Keep driving or pull over? You’re driving, when suddenly the dreadful yellow-orange Check Engine Light comes on!
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