The light turns on when you switch on the ignition key and then it turns off: It’s normal.Here we show you the most common light signals so you can know what is happening to your Equinox: The check engine light can behave in different ways. Wiring problems: contact failure, cut wires, short circuits.Sensor malfunction: It affects engine running or stops running completely.Problems with the electrical system: sometimes it is easy to identify the cause but other times it may take days of testing to find the source of the problem.Problems with the engine intake (air or fuel): engine running may be rough or irregular.It may be caused by a sensor fault or a failure of the catalytic converter. Problem with exhaust gas oxygen sensor (Lambda probe): irregular engine running, there are misfires when accelerating abruptly or driving at low revs.Ignition cylinder problems: irregular engine running.
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The most common check engine light causes of your Equinox and how to detect them. The scanner will show the engine fault code that the computer has detected, which is related to a certain problem that is affecting the engine. To properly diagnose the failure of your Equinox, it is important to have a suitable scanner that is compatible with the brand and model of your car. It will depend on how complex the electronic control unit of your Equinox is. The check engine light can alert you about some failures but not all of them. If the problem is serious, your Equinox will be in a “emergency” state that will prevent you from accelerating the engine above certain speed limit, forcing you to drive at low speed in order to avoid further damages. If any problem is detected, the check engine Light of your dashboard will turn on.ĭepending on the type of failure, the light may either blink or remain constantly lit. While driving, the computer of your Equinox (ECU o PCM) monitors air/fuel supply and exhaust gases in order to verify that the engine is working properly.
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Its function is to alert the driver about any type of engine 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. In some vehicles, the light comes in two colors: yellow to indicate minor problems and red to indicate serious problems. In a few words: It’s a warning light that alerts the driver about any type of engine problems.
What does the check engine light of your Equinox mean?
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