Note the colour of the light which will indicate the severity of the problem. Illuminated Peugeot check engine light means that there is a malfunction of the engine or emission system. This light is known as the Malfunction Indicator Light or Check Engine Light and illuminates when there is an issue with your vehicle. The engine management light is one of the number of warning lights that's set within the instrument cluster on your car's dashboard. Thanks guys, I left the parking light on overnight by accident and ran the battery down. You can still drive your car with a malfunctioning oxygen sensor, but your MPG figures will suffer until the issue is fixed. These particles build up over time to form a sooty deposit that can start to clog up, causing the DPF to underperform. If you do notice a difference, try driving your vehicle as little as possible until you can bring it in for service. The check engine light only comes on in certain conditions: If the check engine light is coming on intermittently, be sure to notice any changes in the performance of your vehicle when the light is on. More often than not, issues with the catalytic converter are symptoms of another part failing, such as the oxygen sensor or EGR valve. Due to the fact that these hoses are constantly exposed to extreme temperatures, they can easily become cracked, causing the part to fail. If you have noticed that a light other than your engine management light has become illuminated on your dashboard, make sure you read Dashboard Warning Lights Explained and you’ll find advice on a number of warning lights. Things You'll Need. Directions If the check engine light is red, do not attempt to drive any further. Nevertheless, it sometimes does not turn off despite solving the glitch. No matter the situation, when the check engine light comes on in your Porsche, we always suggest stopping by our service center so one of our knowledgeable technicians can properly diagnose and repair your vehicle. Your spark plugs should be changed regularly in line with your manufacturer’s schedule. Your engine management light may come on if the oxygen sensor detects your car is running fuel which is too rich (less oxygen) or too lean (more oxygen). More often than not, though, there’s probably no need to be overly concerned. The sensors are regularly covered in exhaust fumes which can affect the quality of the sensor. I trickle charged it today but noticed when I went out for a ride that the engine management light had come on. A yellow, orange or amber light is the most common and is usually advisory, letting you know that there’s a potential issue with the engine performance. If your check engine light comes on, it may be worth quickly pulling over and making sure your filler cap is properly tightened. The check engine light comes on when your car’s computer detects an issue within the powertrain. In that case, … If you keep your car regularly serviced, it shouldn’t fail completely. This check light will either keep on glowing or will blink, depending on the nature of the fault. If the DPF fails, it doesn’t send those signals to the ECU causing power to be reduced and emissions levels to increase, resulting in the check engine light coming on. You might be able to feel your car shake, or the engine could suddenly sound different. This can be unsettling and you may wonder how serious the problem is. If there is sufficient coolant, consult an authorised Vauxhall workshop. Loose fuel cap: Before you start looking through all sorts of vehicle components, first check out the gas cap. Your mechanic will be able to do this for you. If a spark plug or its wiring fails, you will notice a decrease in your engine’s power, as well as it stalling from time to time. You should stop the car and call your garage immediately to have the car recovered and checked as soon as possible. There are a number of reasons why your engine management light has become illuminated, but here are some of the most common causes, in no particular order. It takes its information from sensors dotted around the engine and … Use our search tool to find your nearest RAC approved garage. If you do notice a difference, try driving your vehicle as little as possible until you can bring it in for service. Water in the fuel filter (engine warning light also illuminates – diesel models only) Vehicle runs out of fuel; Prolonged driving with the engine warning light on may increase fuel consumption, higher harmful exhaust emission and potentially cause damage depending on the fault. 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