A cylinder power balance test is performed on a 4 cylinder engine. Cylinders 1, 2, and 3, all drop 175 RPM when disabled with a scan tool. Cylinder 4 drops 50 RPM when disabled. The following statements are all correct EXCEPT ________

A) Cylinder 4 is much stronger than 1, 2, and 3
B) Cylinder 4 is much weaker than 1, 2, and 3
C) There may be a mechanical problem with cylinder 4
D) This test could also be conducted by grounding the plug wire for each cylinder


A

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