Pat, count the flashes. BUT, most of the time, it's the gas cap not
on good enough. Twist it thru " 3 clicks" and check it again. There is
a section in the garage section on "miata.net" that will give some
info on the lite and how to cure it.
I haven't driven the Miata since the problem. I will get more info in
the next few days.
I am trying to understand what the YELLOW ALERT LIGHT means.
The owners manual simply says if the light goes on, its an electrical
According to the Miata Workshop manual, the yellow light is referred
the MIL (Multifunction Indicator Lamp). To get the details, apparently
need an SST tool that connects into a service port and gives you coded
that help identify the problem.
If you do not have an SST, and frankly I wouldn't know how to use one
then is there another way to get the code. Does the yellow engine icon
blink the code?
If not, is the code safely stored away and do I need to get it read
out at a shop?
Also, it seems that the check light is illuminated by a decision made
ECU, which I understand is the computer that controls sensors, inputs
Maybe the ECU or sensor is at fault. It looks like a circuit board.
Can they be repaired or do you need
to replace the entire ECU if its gone bad?
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