Question about Mazda MX-5 Miata
It sounds like your crank position sensor has gone south.
The sensor is located on the back of the cylinder head and is likely what your mechanic is referencing.
You can verify this part by putting an oscilloscope on its output and monitoring the signal while cranking. You should have a nice consistent waveform if it is operating normally. If it is random, inconsistent, or missing altogether, your crank position sensor has failed and will need replacement.
Posted on Sep 23, 2009
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Posted on Jan 02, 2017
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