what does the check engine light really mean
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Check Engine Light Categories: My Car. The check engine light is part of your vehicle's onboard diagnostics (OBD) system. Computers have control and monitor vehicle performance, regulating such variables as engine speed (RPM), fuel mixture, and ignition timing, and may even tell the automatic transmission when to shift.
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What does a flashing check engine light mean? Best Answer: Flashing is typically a miss-fire. Flashing means the catalytic converter is in immediate danger. It needs repair right away. Catalytic converters can be VERY expensive, so if you have any distance to travel it would be easier on your wallet to tow it to a shop.
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"How to Find Out Why ""Check Engine Light"" Is On and Avoid Costly Repairs" If the Check Engine light is on, you will still be able to test the vehicle, however, you will receive a failing test. The purpose for this would be to obtain the trouble codes for free which you or your mechanic can use to repair the vehicle. The vehicle is allowed three free tests within a 365-day period.
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Check Engine Light Categories: My Car. The check engine light is part of your vehicle's onboard diagnostics (OBD) system. Computers have control and monitor vehicle performance, regulating such variables as engine speed (RPM), fuel mixture, and ignition timing, and may even tell the automatic transmission when to shift. When the electronic-control system finds a problem it cannot adjust, the computer turns on a yellow warning indicator and stores a trouble code in it's memory.
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- The Check Engine light comes on in your Volkswagen Jetta for a variety of reasons. Most of them have to do with the emissions control system and related sensors.he Check Engine light comes on in your Volkswagen Jetta for a variety of reasons. Most of them have to do with the emissions control system and related sensors.
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What Does the Check-Engine Light Mean? What Does the Check-Engine Light Mean? That is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle's emissions, ignition or fuel systems. It could be something as simple as a loose gas cap or something as severe as a faulty catalytic converter, so you shouldn't ignore it.
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- 1 Light flashing – a flashing check engine light indicates there is a fault that can harm one or more of the components on your vehicle. 2  It is recommended to safely pull off the road and stop the vehicle.
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What does the check engine light usually mean? The list of things that can trigger the check engine light is pretty lengthy. For example, anything from a loose gas cap to a faulty fuel injector can be to blame. Some other potential culprits that can cause that malevolent glow include: A wet engine. A blown gasket head. Faulty oxygen sensors.
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- The Service Engine Soon Light means that there is a fault code in your Computer system that controls your engine and emissions system.
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What does the 'service engine soon' light mean? When the service engine or check engine light illuminates, it is because one of the sensors has detected a fault (an abnormal condition) and so the ECM triggers a trouble code which causes the light to illuminate.
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- Save. The Check Engine light comes on in your Volkswagen Jetta for a variety of reasons. Most of them have to do with the emissions control system and related sensors. The on-board diagnostic computer generates and stores an error code that then must be retrieved so you know what the problem is.
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- The Check Engine light — more formally known as the Malfunction Indicator Lamp (MIL) — is a signal from the car's engine computer that something is wrong. The car dealer's service department can diagnose the problem for about $75. But there's a way to preview what the problem might be.
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Q: Q: What does the Service Engine Soon Light mean? Some vehicles will have a Service Engine Soon Light, as well as a Check Engine Light. For these vehicles, the meaning of the Service Engine Soon light will differ greatly from the Check Engine Light. The Service Engine Soon Light could mean:
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Check Engine Light The check engine or service engine soon lights are officially known as. malfunction indicator lamps, or MILs. These come on to warn the driver that an. emissions-related problem has been detected by the on-board computer (also known as the. electronic control module, or ECM).
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Saturn Outlook Transmission Problems Don't Just Turn It Off; Fix the Problem. When your car's Check Engine light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap.
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- Typically, a flashing light is more serious than a solid check-engine light. The flashing light is meant to alert you that you may have a misfire in your engine that will cause catalytic converter damage if you leave the problem unresolved.
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Check Engine Light Symbols The Picture Symbol with the lightning bolt in it means the same thing. Your dealer will be needed to properly assess the problem. Some version of the Check Engine Light is now universal and covers these and other engine-related faults. If other symbols are also active, note that the Check Engine is your first concern. In some cases, other systems in the car may be shut down until the reason the Check Engine light is active is addressed, and the symbols associated with those symbols may be activated.
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Modifier Placement Changing the oil every 3,000 miles, there is an easy way to keep your car running smoothly. Repair Work. If we change the oil every 3,000 miles, we can keep our car running smoothly. A participial phrase followed by a Passive Verb is also apt to be a dangler because the real actor of the sentence will be disguised.
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What does it mean when the emissions light comes on in your instrument panel? the emissions light came on tonight while driving home I checked my gas cap to make sure it was closed tight and made sure that the button my gear shift came back up also I turned my car off and restarted it the light was still on The Check Engine Light illuminates, stays on, and there are performance problems. This means that a vital component of your emission control and engine management system has a serious problem.It usually involves a component or system needed for the vehicle to run at all.he Check Engine Light turns on and off or flickers. If the Check Engine Light comes on in the city but goes off on the freeway, then the fault is present during city driving conditions. Pay attention to whether or not the vehicle runs or drives any differently when the Check Engine Light illuminates.
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The Five Most Common Causes of a Check Engine Light and What You Should Do About Them You're driving home from work one day when the car owner's worst nightmare happens: the check engine light pops on. It comes without warning and with no explanation. For most drivers, this means a trip to the mechanic, but it's not difficult to diagnose (and sometimes fix) yourself.Photo by Robert Couse-Baker.he mass airflow sensor tells the car's computer to add the proper amount of fuel based on the air coming through to the engine. A faulty one can increase emissions, cause the car to stall, and decrease gas mileage.
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What does the 'service engine soon' light mean? This is when the fumes from the gasoline are leaking from the system into the outside air. This is one part of the emmission system that can trigger a check engine light. I would say that about 7% of the vehicles that have a check engine light are the result of a loose or inadequete gas cap.
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- The light coming on while you are driving means that a problem with the engine control (or perhaps the transmission) has been detected which if unrepaired would increase air pollution, coded it with a number and stored the number in the memory of the controllers.
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CHECK ENGINE LIGHT (Malfunction Indicator Light/Lamp or MIL for short) For example, let's say the Check Engine lamp is on and you find an OBD II code for one of the oxygen sensors (code P0130). The code might indicate a bad sensor, or it might indicate a loose connector or wiring problem.
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Auto Computer Controls A newer car computer is much more sophisticated, and just because a CHECK ENGINE light comes on doesn't really mean the computer is totally in a limp home mode. Depending on what sensor reading is out of specs the computer may still be doing a pretty good job of controlling the engine.
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The Top 7 Reasons Your BMWâs Check Engine Light is On The check engine light is designed to be a way your BMW, or any vehicle, can let you know when something is not right. While it may be something simple, it is always best to give your check engine light the benefit of the double and take it seriously, before the problem escalates into expensive damage. Here are 7 of the most common reasons your BMW’s check engine light has come on: This part monitors an engines air to fuel ratio by measuring the amount of free oxygen in the exhaust. There is a ratio of air and gasoline that is perfect for a vehicle, and this part helps monitor that.