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2. Choke valve - Wikipedia

   en.wikipedia.org/wiki/Choke_valve

   The manual choke pull handle in a 1989 Hyundai Excel. The term "choke" is applied to the carburetor's enrichment device even when it works by a totally different method. Commonly, SU carburettors have "chokes" that work by lowering the fuel jet to a narrower part of the needle. Some others work by introducing an additional fuel route to the ...

3. Idle air control actuator - Wikipedia

   en.wikipedia.org/wiki/Idle_air_control_actuator

   The result is an engine that fails to maintain idle RPM and frequently stalls. A jammed actuator may be freed simply by cleaning it. However an actuator that has stopped working due to a fault in its servomotor will need replacement. Air leaks in either the stepper housing or pipes will cause elevated idle RPM.

4. Choked flow - Wikipedia

   en.wikipedia.org/wiki/Choked_flow

   For air with a heat capacity ratio =, then =; other gases have in the range 1.09 (e.g. butane) to 1.67 (monatomic gases), so the critical pressure ratio varies in the range < / <, which means that, depending on the gas, choked flow usually occurs when the downstream static pressure drops to below 0.487 to 0.587 times the absolute pressure in ...

5. Idle (engine) - Wikipedia

   en.wikipedia.org/wiki/Idle_(engine)

   Tachometer (left) of a Volkswagen Golf Mk6 passenger car idling at just below 800 r/min.. Idle speed, sometimes simply called "idle", is the rotational speed an engine runs at when the engine is idling, that is when the engine is uncoupled from the drivetrain and the throttle pedal is not depressed.

6. Diesel engine runaway - Wikipedia

   en.wikipedia.org/wiki/Diesel_engine_runaway

   Engines fitted with a decompressor can also be stopped by operating the decompressor, and in a vehicle with a manual transmission it is sometimes possible to stop the engine by engaging a high gear (i.e. 4th, 5th, 6th etc.), with foot brake and parking brake fully applied, and quickly letting out the clutch to slow the engine RPM to a stop ...

7. Carburetor - Wikipedia

   en.wikipedia.org/wiki/Carburetor

   The idle circuit is generally activated by vacuum near the (near closed) throttle plate, where the air speed increases to cause a low-pressure area in the idle passage/port, thus causing fuel to flow through the idle jet. The idle jet is set at some constant value by the carburetor manufacturer, thus flowing a specified amount of fuel.

8. IdleAir - Wikipedia

   en.wikipedia.org/wiki/IdleAir

   IdleAir, a division of Convoy Solutions LLC, is a company that provides in-cab services to truckers via centralized systems at truck stops around the United States.IdleAir's service, the patented [3] Advanced Travel Center electrification (ATE), was more complex and more expensive than traditional truck stop electrification (TSE) systems which are aimed at idle reduction reducing the amount of ...

9. Idle reduction - Wikipedia

   en.wikipedia.org/wiki/Idle_reduction

   Idle free zone turn engine off sign. Idle reduction describes technologies and practices that minimize the amount of time drivers idle their engines. Avoiding idling time has a multitude of benefits including: savings in fuel and maintenance costs, extending vehicle life, and reducing damaging emissions.