Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the primary function of a Crankshaft Position (CKP) sensor in an engine's electronic control system?
The CKP sensor provides crucial information to the engine control unit (ECU) about the crankshaft's rotational speed and position. This information is vital for
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Question: What is the primary function of a Crankshaft Position (CKP) sensor in an engine's electronic control system?
Answer options:
- To measure the engine's oil pressure. ✅ To detect the engine's RPM and piston position for ignition and fuel injection timing.
- To monitor the exhaust gas oxygen content.
- To determine the engine's operating temperature.
Correct answer: To detect the engine's RPM and piston position for ignition and fuel injection timing.
Explanation: The CKP sensor provides crucial information to the engine control unit (ECU) about the crankshaft's rotational speed and position. This information is vital for precise ignition timing, fuel injection timing, and overall engine management.
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