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It is important to pay attention and understand why the warning lights come on. The Check Engine light will flash because there is in issue within the cars engine, the number of flashes usually indicate the code number.
Anything that could cause a cylinder misfire can cause the check engine light to flash. A restricted fuel filter is one.Anything that could cause a cylinder misfire can cause the check engine light to flash. A restricted fuel filter is one.
= "Do you have to flash the computer after you replaced the engine?" =
An engine cylinder misfire has been detected if your check engine light is flashing ( I'm not a mechanic / technician but it could be a spark plug , spark plug wire , the fuel mixture , or some other problem )
Sounds like an engine misfire. Can be bad spark plug, plug wire, fuel injector, or bad coil on plug.
It could be just a loose gas cap!
beans
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Could be an indication that the engine computer has detected a problem with the glow plug system. You will need to take it in for service.
NSAIDS
It could be the bulb that is burned out, but more than likely it is the socket the bulb connects to.
Yes, water can cause a misfire, which will cause the check engine light to flash.