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A flashing check engine light means you are doing serious damage to your catalytic converter due to repeated misfires in one or more cylinders. If you get a code scanner (or go to an autozone, oreilly's etc. where they scan it for free) you will see a code such as P0301 (misfire, cylinder 1). Your catalytic converter is probably shot now. If it is and If you live in a state that does emissions inspections you will need to get the converter replaced after you fix the misfires. An old spark plug will generally cause the misfires.
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Why is your check engine light flashing on your 1999 Mazda millenia?
A flashing check engine light means an engine cylinder misfire has been detected
What is wrong if your check engine lihgt starts flashing on your 97 Mazda proteze?
If your check engine light is flashing an engine cylinder misfire has been detected
Why is a Mazda 626 check engine light flashing?
A flashing check engine light is an indication of a misfire. See related question below for more information.
The check engine light is flashing on our 2000 Mazda Millenia. The car has 81000 miles.?
flashing check engine lite means do not drive, or you risk permanent engine damage. you need to get the codes scanned
Why is your Nissan largo check engine light flashing?
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
What would cause a engine light to flash on a 2002 Mazda millenia?
A flashing check engine light is usually due to a misfire. see related questions below.
Can you drive car with flashing check engine light?
It is not recommended. A flashing flashing check engine light is an indicator of a catalytic converter damaging misfire.
Check engine light flashing on 97 Taurus?
An engine cylinder misfire has been detected if your check engine light is flashing on and off
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An engine cylinder misfire has been detected if your check engine light is flashing
My check engine light has been flashing longer than usual is this bad?
A check engine flashing indicates an engine cylinder misfire
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A flashing check engine light is an indication of a misfire.
Why is your Ford F150 shaking and the check engine light is flashing?
If the check engine light is flashing that means an engine cylinder misfire has been detected
