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While troubleshooting an engine in a car with a low oil pressure warning light illuminated, two technicians remove the oil pressure sender and install an oil pressure gage. They then start the engine and observe that the oil pressure gage indicates the correct amount of oil pressure. Technician A says these test results indicate that the pressure-relief valve is defective. Technician B says these test results indicate that the engine bearings have excessive clearance. Which of the following statements is correct?
a) Only Technician A is correct. b) Only Technician B is correct.
c) Both Technician A and Technician B is correct. d) Neither Technician A nor Technician B is correct.

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