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Q: Why has your engine management light come on in your ford focus?
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Why does the engine management light come on and stay on?

Warning lights come on when there is a problem. An Engine management light comes on when there is a problem within the engine, that may cause problems later.


Engine management light has come on a vw golf 2012 2.0 diesel?

To troubleshoot an engine management light on a VW Golf a diagnostic light is recommended. The test will display any malfunction codes it reads from the engine computer.


Why does Engine management light comes on VX commodore?

There are many reasons why the management light will come on, you will have to have the car scanned at a repair shop, the fault code that made the light come on will be stored in the engine control module, and this can be decoded by and any good shop with the correct equipment


Why did the Ford focus warning light not come on when the oil was low?

The warning light will not come on because you have a separate oil gauge on the Ford Focus. This is the gauge that you should watch and it will show you that you are low on oil; do not rely on the check engine light to alert you of it.


Vectra engine management light reset?

disconnect battery for 15 mins...if it come back on there is a reason for the light being on...if so google vectra management light paperclip...hope this helps


Why does the Engine management warning light on my vw golf 2002 come on?

ÊYour engine light can come on for many reasons. It is best to check with a code reader and see exactly why it has come on. It could be the fuel emissions or a cracked cylinder.


Why would the engine light come on in your 2006 ford focus?

The check engine light comes on when the computer has detected a problem with the emissions system. The engine maintenance light comes on when the engine needs some scheduled maintenance such as an oil/filter change.


Will srs and check engine light come on when checking the fuse when engine is running?

Yes it could if you pulled a fuse that fed any part of the engine management system.


Would a poor battery cause the engine management light to come on and put car into low gear mode?

Not likely but it is possible.


Does the check engine light come on because your gas is halfway full?

No, the check engine light does not come on because your gas is half way full. The check engine light will come on if there is a problem with the engine.


In a 2001 ford focus does the check engine light come on when it is started?

When the ignition key is turned to the run position just before starting the vehicle the check engine light should illuminate for a few seconds to prove that the bulb works


What is the most common reason for the engine management light on a Mitsubishi space star to come on?

Probably an O2 sensor has worn out. You can take your vehicle to an AUTOZONE store and have the codes read for free. This will pinpoint the check engine light problem.