Final answer:
The publication used to check an engine for normal operation is the engine manufacturer's or service manual, which provides detailed information on the normal operating parameters and troubleshooting procedures for the engine.
Step-by-step explanation:
The publication used to check an engine for normal operation is the engine manufacturer's manual or the service manual for the specific make and model of the engine.
These manuals provide detailed information on the normal operating parameters of the engine, including recommended oil pressure, temperature ranges, fuel consumption, and other performance indicators.
They also include instructions on how to troubleshoot and diagnose engine problems and perform routine maintenance and repairs.