Technician A says that indexing the distributor is the same as setting ignition timing. Technician B says that a distributor that is not phased correctly can cause a misfire and rough idle. Who is right?

Question

Quizplus · Accepted Answer

Indexing the distributor involves correctly positioning it in relation to the engine's firing order, but it is not the same as setting the ignition timing. Technician B is correct because a distributor that is not phased (or indexed) correctly can indeed cause misfires and rough idle due to improper spark timing.

Technician a Says That Indexing the Distributor Is the Same