engine idle

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• Idle speed — is the minimum operating speed (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,… …   Wikipedia

• idle — 1. adjective 1) an idle person Syn: lazy, indolent, slothful, work shy, shiftless, inactive, sluggish, lethargic, listless; slack, lax, lackadaisical, good for nothing; rare otiose Ant: ind …   Thesaurus of popular words

• idle speed adjustment — The alteration of the engine idle speed …   Dictionary of automotive terms

• Engine efficiency — of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful work. There are two classifications of thermal engines (1) Internal combustion (gasoline, diesel and gas… …   Wikipedia

• idle — [īd′ l] adj. idler, idlest [ME idel < OE, empty, akin to Ger eitel, vain, empty < ? IE base * ai dh, to burn, shine: basic sense, either “only apparent, seeming” or “burned out”] 1. a) having no value, use, or significance; worthless;… …   English World dictionary

• Idle reduction — is type of automobile emissions control aimed at reducing the amount of energy wasted by an idling vehicle. When a vehicle s engine is not being used to move the vehicle, it can be shut off entirely thereby conserving fuel and reducing emissions… …   Wikipedia

• Engine tuning — is the adjustment, modification or design of internal combustion engines to yield optimal performance, either in terms of power output or economy. It has a long history, almost as long as the development of the car in general, originating with… …   Wikipedia

• idle — ► ADJECTIVE (idler, idlest) 1) avoiding work; lazy. 2) not working or in use. 3) having no purpose or basis: idle threats. ► VERB 1) spend time doing nothing. 2) (of an engine) run slowly w …   English terms dictionary

• Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… …   Wikipedia

• idle — idleness, n. idly, adv. /uyd l/, adj., idler, idlest, v. idled, idling, n. adj. 1. not working or active; unemployed; doing nothing: idle workers. 2. not spent or filled with activity: idle hours. 3. not in use or operation; not kept busy: idle… …   Universalium

• idle — i•dle [[t]ˈaɪd l[/t]] adj. i•dler, i•dlest, 1) not working or active; unemployed; doing nothing 2) not filled with activity: idle hours[/ex] 3) not in use or operation: idle machinery[/ex] 4) habitually doing nothing or avoiding work; lazy 5) of… …   From formal English to slang