Multiple Choice
A secondary ignition oscilloscope pattern is being analyzed. The voltage spikes of cylinders #1, #2, and #3 are 9 to 12 kV while cylinder #4 is 35 kV. What is the most likely cause of this?
A) open plug wires for cylinders #1, #2, and #3
B) shorted spark plug
C) grounded plug wires
D) open plug wire for cylinder #4
Correct Answer:

Verified
Correct Answer:
Verified
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