Why does my engine management light keep coming on?
Sometimes the system will need a second reset, while some main dealers will also take the opportunity to give your car a software update with the latest data from the manufacturer. If the light doesn’t go off, or it comes on again soon after repair, then it may mean there are still problems with your car.
Can your car pass its MOT with the engine management light on?
Under the new MOT rules, it is classed as a major fail if your car is older than July 2003. If your light is on, you should have your car checked at a garage. Is your engine management light on and your cars is due for a MOT? Well it may not be a fail! So many MOT stations wrongly fail cars because of EML is on.
What does a yellow engine management light mean?
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. You are safe to continue driving your car, although you may notice reduced performance, but you should look to have your car checked at the earliest opportunity by your local garage.
Why does the ignition management light come on?
Ignition System If the engine management light (EML) comes on due to an ignition system fault, then the cause becomes a little more vague. You may experience engine misfiring, trouble starting, unexpected stalling and the vehicle may seem slower than usual. An ignition system fault may relate to anything from:
What should I do if my engine management light comes on?
If this is the problem, a mechanic can make a fix very quickly. However, if you ignore the engine warning light and a blocked oxygen sensor is the issue, the knock on effect could cause huge damage to the catalytic converter and cost upwards of £1,500 in repairs!
What does it mean when your check engine light is on?
Each of those systems have lights of their own. However, these other systems may also set a check engine light, at times. Check engine lights also have multiple states. For instance, a check engine light that is steadily on, means a situation exists that requires service soon.
Is it possible to reset an engine warning light?
While the documentation for some older cars provided instructions on how to check and reset engine warning lights, it’s not usually possible now cars have grown more sophisticated. It’s well worth paying for accurate diagnosis, though, so a proper and effective repair can be made.
What does a red engine management light mean?
If you see a red engine management light, it means your engine has a serious fault and you should pull over and seek roadside assistance. The engine warning light, or engine management light (eml) as it is properly named, can appear for a number of issues.
Your engine management light may come on if the oxygen sensor detects your car is running fuel which is too rich or too lean. There may also be a fault with the sensor. In a petrol car, issues with your spark plugs or coils may cause the engine management light to come on.
Why does my check engine light keep going on and off?
In a perfect world, you’ll find that a check engine light on and off intermittently is being caused by a loose gas cap. But many times, a check engine light will be caused by something other than a loose gas cap. It can, for example, be caused by a faulty oxygen sensor.
Is engine management light a failure?
Yes, your car will fail its MOT if your Engine Management Light remains on when the engine has been started. Under the new MOT rules, it is now classed as a major fault. If your light is on constantly, or it’s flashing, you should have your car checked at a garage.
What causes the engine management light to come on?
The latter is sometimes also illuminated if the car detects a fault with the differential pressure sensor, which determines how effectively the DPF is performing. In simple terms, this is a device that measures the ability of gas to pass along the exhaust, which includes passing through the diesel particulate filter.
What should you do if your check engine light comes on?
Continuing to drive with a flashing check engine light is a critical mistake that can cause extensive damage to your car. So, slow down, safely pull over to the kerb, and have your car towed to an automotive repair shop as soon as possible.
What to do if your engine management light is amber?
In the majority of cases, the car will need to be connected to diagnostic equipment to determine exactly where the fault lies. In many cases, the light operates on a colour-coded basis. An amber EML doesn’t necessarily point to an unfolding emergency – you should be able to continue on your way and seek advice on reaching your destination.