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- Q11392621 subject Q8280357.
- Q11392621 abstract "Idle speed (idling, or idle) is the rotational speed the engine runs on when the engine is uncoupled to the drivetrain and the throttle pedal isn't depressed (generally measured in revolutions per minute, or rpm, of the crankshaft) of a combustion engine. At idle speed, the engine generates enough power to run reasonably smoothly and operate its ancillaries (water pump, alternator, and, if equipped, other accessories such as power steering), but usually not enough to perform useful work, such as moving an automobile. For a passenger-car engine, idle speed is customarily between 600 rpm and 1,000 rpm. For buses and trucks it is approximately 540 rpm. In case of many single-cylinder motorcycle engines, idle speed is set between 1200-1500 rpm.If the engine is operating a large number of accessories, particularly air conditioning, the idle speed must be raised to ensure that the engine generates enough power to run smoothly and operate the accessories. Most air conditioning-equipped engines have an automatic adjustment feature in the carburetor or fuel injection system that raises the idle when the air conditioning is running.Engines modified for power at high engine speeds, such as auto racing engines, tend to have very rough idle unless the idle speed is raised significantly.In addition to this, setting the idle speed too slow can result in very low oil pressure when the engine is hot, resulting in faster wear and possible seizure.".
- Q11392621 wikiPageWikiLink Q1054734.
- Q11392621 wikiPageWikiLink Q133235.
- Q11392621 wikiPageWikiLink Q134574.
- Q11392621 wikiPageWikiLink Q1420.
- Q11392621 wikiPageWikiLink Q165435.
- Q11392621 wikiPageWikiLink Q173725.
- Q11392621 wikiPageWikiLink Q206037.
- Q11392621 wikiPageWikiLink Q25342.
- Q11392621 wikiPageWikiLink Q308881.
- Q11392621 wikiPageWikiLink Q44167.
- Q11392621 wikiPageWikiLink Q49718.
- Q11392621 wikiPageWikiLink Q5386.
- Q11392621 wikiPageWikiLink Q58430.
- Q11392621 wikiPageWikiLink Q8280357.
- Q11392621 comment "Idle speed (idling, or idle) is the rotational speed the engine runs on when the engine is uncoupled to the drivetrain and the throttle pedal isn't depressed (generally measured in revolutions per minute, or rpm, of the crankshaft) of a combustion engine.".
- Q11392621 label "Idle speed".