Question # 50

A vehicle with a coil-on-plug ignition system has a misfire only under heavy load. Scope analysis shows normal primary voltage but erratic secondary voltage on one coil. What is the most likely fault?

Options:

A.

Faulty ignition coil insulation breakdown

B.

Faulty crankshaft position sensor

C.

Lean air-fuel mixture

D.

PCM ignition driver failure

Viewing question 50 out of 72 questions
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