why would the check engine light come on in a ford 2000 ford escort

i have only a few monment to check this i have a 2000 ford ecscort what are the resons for the check engine light to come on

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On Thu, 06 Dec 2012 16:08:01 +0000, ddh10 wrote:

There are many reasons, but to get help you need to provide more information, such as fuel type, what engine, what if anything led up to the fault, is the engine running OK otherwise?
At some point, you are going to have to read the code from the ECU. You will either need to buy a code reader, or try to find someone to do it for you.
This group is for the Ford Focus; it gets very little traffic, so perhaps you would do better to ask in uk.rec.cars.maintenance.
Chris
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On 12/6/2012 11:08 AM, ddh10 wrote:

Most car parts stores will read the codes from the OBD computer in the car for free and you can then google it for the most likely causes.
One simple thing that can cause it though is a loose fuel filler cap (it hasnt been turned until it clicked). This causes excess fuel evaporation that gets detected by the system and causes a code. If your fuel cap is loose, tighten it and the light should go out after 20-30 min of driving.
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