Automotive Servicing NC I Practice Questions - TESDA Automotive Servicing NC I Competency Assessment Exam

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After replacing the fuel filters on a conventional diesel engine, the engine cranks but refuses to start. What is the most appropriate next step?

Bleed the air from the diesel fuel system starting from the lowest pressure point to the highest pressure point. Keep cranking the engine continuously until it starts to build fuel pressure. Spray starting fluid directly into the air intake to force the engine to start. Loosen the fuel tank cap to relieve any vacuum build-up in the tank.

Correct Answer:

Bleed the air from the diesel fuel system starting from the lowest pressure point to the highest pressure point.

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