Okay, it misfires again. This happens when accelerating abruptly from idle. I unplugged the EHA and there was no noticable difference in performance. The duty cycle read 84.4 steady. After plugging the EHA back in the duty cycle steadily increased until topping at 103.0. With the car off but key "on" the duty cycle read 31.2 steady with the engine cold. What is going on?

PS. The car only misfires at full operating temperature.

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With Regards