Technician a Says That Some Service Facilities Do Test and Repair

question 53

Multiple Choice

Technician A says that some service facilities do test and repair the hydraulic nozzles used inside injectors because cleaning and rebuilding a nozzle in house is often more economical than replacing it. Technician B says when a problem with an injector is identified by the heavy-duty onboard diagnostics (HD-OBD) system or by using cylinder cutout and contribution testing, injectors are simply replaced with new or rebuilt parts. Who is right?

• A)A only"
• B)B only"
• C)Both A and B
• D)Neither A nor B"

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