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Discussion Starter · #1 ·
I have an 1997 hyundai excel with no spark it appears to be ecu because i have only 0.6volt rather thanof 5volts at crank angle sensor and the same at ecu with sensor un plug .Has any one had to replace ecu on one of the models?
 

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I don't exactly know how you measured your supply voltage, because you only measure at the plug.
The only way you can measure what is coming out of your ECU, is to backprobe the wiring harness at the ECU.
 
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