While discussing EI service, Technician A says the crankshaft sensor may be rotated to adjust the basic ignition timing. Technician B says the crankshaft sensor may be moved to adjust the clearance between the pickup coil and reluctor on some EI systems. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because the crankshaft sensor's position may indeed be adjusted to set the proper clearance between the pickup coil and reluctor in some electronic ignition (EI) systems. However, Technician A is incorrect because the basic ignition timing in modern vehicles is typically controlled by the engine control module (ECM) and cannot be adjusted by rotating the crankshaft sensor.

While Discussing EI Service, Technician a Says the Crankshaft Sensor