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What does it mean when the service engine soon light flashes or stays on on land rover discovery2?
Wiki User
∙ 13y ago
A fault has been detected in the system. It may be an intermittent thing, one time thing or something that needs attention, but if the vehicle is still running fine then have it looked at, at your soonest convenience. You can unhook the pos and neg battery terminals for 5-10 minutes thus resetting the system. If the light comes back on after the vehicle relearns it's settings etc (can take a day or a few weeks depending on the hot/cold startups driving speeds etc) , then it needs attention. If it doesn't come back on, then it may have been an intermittent thing or one time occurrence which effectively will have been cured by you resetting the system.
One expensive lesson I was taught after taking it in to be looked at is the obvious with many cars now days. If the gas cap is not completely closed (or it is not sealing completely when you screw it back it) will cause the Check/Service Engine light to come on.
**this is just a cautionary note. i have learned that a blinking service engine soon light means that the problem is worse than if the light were just steady and one should not drive the truck.
Wiki User
∙ 13y ago
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32 and 2132 and 21
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This means that your car is almost due for service. (oil change, lube, etc.) It will come on steady when service is required.
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The check engine or service engine soon light comes on to alert you that there is or was a problem with the emissions system on your vehicle. If the light comes on steady and stays on, it means that there is a problem and you should have it checked out soon. If it comes on and flashes, it means you will cause damage if you continue driving.
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