Q
how to prime an engine that has been sitting
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
To prime an engine that has been sitting, first, ensure its oil is fresh and at the right level. Drain old oil and replace the oil filter. Before starting, remove the spark plugs and pour a teaspoon of oil into each cylinder to lubricate the pistons and rings. Then, manually turn the engine over with a wrench on the crankshaft pulley to circulate the oil without starting it. This process ensures that the internal components are coated, reducing dry friction upon startup. Next, prime the fuel system by turning the ignition to "on" without starting the engine, allowing the fuel pump to push fuel through the system; this may need to be done several times if the vehicle has been sitting for a long period and the fuel system is dry. Check and replace any stale fuel in the tank to avoid damage. Finally, reinsert the spark plugs, and attempt to start the engine. It’s recommended to keep the engine running at a low idle for a while to allow it to reach operating temperature and circulate the oil thoroughly. This preparatory work can significantly reduce wear and tear on an engine that hasn't been used for an extended period.
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