Check Engine Light
Mazda Millenia
Ford Windstar LX

What does the engine light mean when it is flashing and the car is running rough on a Mazda millenia 2000?

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Wiki User
2009-06-09 03:11:06

the check engine light comes on when one or more of about (500

to 1000) computer regulated components either begins to fail, is

getting abnormal readings for its purpose thus the check engine

light comes on to symbolize that their is a problem. you have to

find out what type of problem it is by getting an engine

diagnostic, in which they hook up a scan tool pull the trouble

code/s and then test components related to the set code to see

which are malfunctioning. make no mistake this will cost you about

$90 unless you know a diagnostic tech. autozones free check engine

light package will not tell you whats wrong it will only pull the

code as stated in the above sentences, this does you no good as it

does not tell you which part requires replacement. and they will

guess do to their inexpertise which if you listen will cost you

alot more money than just handling it with a diagnostic. Cylinder

misfire(s),the spark plug is firing at the wrong time and that will

cause the engine to run rough.

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