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Throttle

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409:. The throttle is either open or closed (although there is always a small hole or other bypass to allow a small amount of air to flow through so the engine can idle when the throttle is closed), or some intermediate position. Since air velocity is crucial to the functioning of a carburetor, to keep average air velocity up, larger engines require more complex carburetors with multiple small venturis, typically two or four (these venturis are commonly called "barrels"). A typical "2-barrel" carburetor uses a single oval or rectangular throttle plate, and works similarly to a single venturi carburetor, but with two small openings instead of one. A 4-venturi carburetor has two pairs of venturis, each pair regulated by a single oval or rectangular throttle plate. Under normal operation, only one throttle plate (the "primary") opens when the accelerator pedal is pressed, allowing more air into the engine, but keeping overall airflow velocity through the carburetor high (thus improving efficiency). The "secondary" throttle is operated either mechanically when the primary plate is opened past a certain amount, or via engine vacuum, influenced by the position of the accelerator pedal and engine load, allowing for greater air flow into the engine at high RPM and load and better efficiency at low RPM. Multiple 2-venturi or 4-venturi carburetors can be used simultaneously in situations where maximum engine power is of priority. 526:" or ITBs. Although rare in production vehicles, these are common equipment on many racing cars and modified street vehicles. This practice harks back to the days when many high performance cars were given one, small, single-venturi carburettor for each cylinder or pair of cylinders (i.e. Weber, SU carburettors), each one with their own small throttle plate inside. In a carburettor, the smaller throttle opening also allowed for more precise and fast carburettor response, as well as better atomization of the fuel when running at low engine speeds. 608:. They are also useful in situations where the airspeed of the vehicle must be limited due to aerodynamic stress in the denser atmosphere at lower levels (e.g. the Space Shuttle). Rockets characteristically become lighter the longer they burn, with the changing ratio of thrust:weight resulting in increasing acceleration, so engines are often throttled (or switched off) to limit acceleration forces towards the end of a stage's burn time if it is carrying sensitive cargo (e.g. humans). 2045: 2065: 429: 32: 357: 2055: 413: 169: 293: 558:(which is done with the reversing lever), as this is more efficient. A steam locomotive throttle valve poses a difficult design challenge as it must be opened and closed using hand effort against the considerable pressure (typically 250 psi or 1,700 kPa) of boiler steam. One of the primary reasons for later multiple-sequential valves: it is far easier to open a small 456:, and that carbureted engines have throttles as well. A throttle body simply supplies a convenient place to mount a throttle in the absence of a carburetor venturi. Carburetors are an older technology, which mechanically modulate the amount of air flow (with an internal throttle plate) and combine air and fuel together ( 623:
The lifespan of the throttle is not set since it highly depends on the driving style and specific vehicle. The throttle tends to be quite dirty after 100-150 thousand kilometers, and it is necessary to clean it up. The malfunction of the throttle could be indicated by illuminated EPC warning light.
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and allows a straighter path for the airflow to the cylinder head, as well as for equal-distance intake runners of short length, difficult to achieve when all the runners have to travel to certain location to connect to a single throttle body, at the cost of greater complexity and packaging issues.
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When the driver presses on the accelerator pedal, the throttle plate rotates within the throttle body, opening the throttle passage to allow more air into the intake manifold, immediately drawn inside by its vacuum. Usually a mass airflow sensor measures this change and communicates it to the ECU.
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is controlled by regulating the quantity of fuel that is injected into the cylinder. Because diesel engines do not need to control air volumes, they usually lack a butterfly valve in the intake tract. An exception to this generalization is newer diesel engines meeting stricter emissions standards,
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still need a throttle to control the airflow into the engine, together with a sensor that detects its current opening angle, so that the correct air/fuel ratio can be met at any RPM and engine load combination. The simplest way to do this is to simply remove the carburetor unit, and bolt a simple
195:. The butterfly valve of the throttle is operated by means of an arm piece, loaded by a spring. This arm is usually directly linked to the accelerator cable, and operates in accordance with the driver, who hits it. The further the pedal is pushed, the wider the throttle valve opens. 562:
against the pressure differential, and open the others once pressure begins to equalize than to open a single large valve, especially as steam pressures eventually exceeded 200 psi (1,400 kPa) or even 300 psi (2,100 kPa). Examples include the balanced
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at the top of the boiler (although not all boilers feature these). The additional height afforded by the dome helps to avoid any liquid (e.g. from bubbles on the surface of the boiler water) being drawn into the throttle valve, which could damage it, or lead to
180:, the throttle is a means of controlling an engine's power by regulating the amount of fuel or air entering the engine. In a motor vehicle the control used by the driver to regulate power is sometimes called the throttle, accelerator, or gas 202:
systems where sensors monitor the driver controls and in response a computerized system controls the flow of fuel and air. This means that the operator does not have direct control over the flow of fuel and air; the
377:(TPS) is connected to the shaft of the throttle plate to provide the ECU with information on whether the throttle is in the idle position, wide-open throttle (WOT) position, or somewhere in between these extremes. 468:) coupled with electronic sensors and computers which precisely calculate how long should a certain injector stay open and therefore how much fuel should be injected by each injection pulse. However, they 554:
to start, stop and to control the locomotive's power although, during steady-state running of most locomotives, it is preferable to leave the throttle wide open and to control the power by varying the
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On many cars, the accelerator pedal motion is communicated via the throttle cable, which is mechanically connected to the throttle linkages, which, in turn, rotate the throttle plate. In cars with
327:. Often, an engine coolant line also runs through it in order for the engine to draw intake air at a certain temperature (the engine's current coolant temperature, which the ECU senses through the 364:. The throttle cable attaches to the curved, black portion on the left. The copper-coloured coil visible next to this returns the throttle to its idle (closed) position when the pedal is released. 349:
controls the throttle linkages and the accelerator pedal connects not to the throttle body, but to a sensor, which outputs a signal proportional to the current pedal position and sends it to the
600:, use solid fuel with a liquid oxidizer, and therefore can be throttled. Throttling tends to be required more for powered landings, and launch into space using a single main stage (such as the 392:, the Idle Air Control Valve (IACV), that the ECU uses to control the amount of air that can bypass the main throttle opening to allow the engine to idle when the throttle is closed. 269:
aircraft, the throttle control is usually a hand-operated lever or knob. It controls the engine power output, which may or may not reflect in a change of RPM, depending on the
353:. The ECU then determines the throttle opening based on the accelerator pedal's position and inputs from other engine sensors such as the engine coolant temperature sensor. 668: 2101: 550:, or series of poppet valves which open in sequence to regulate the amount of steam admitted to the steam chests over the pistons. It is used in conjunction with the 215:
to make a cold engine warm up faster or to account for eventual additional engine loads such as running air conditioning compressors in order to avoid engine stalls.
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that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main. The throttle body is usually located between the
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engine, the throttle regulates only the amount of air allowed to enter the engine. The throttle of a diesel, when present, regulates the air flow into the engine.
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has come to refer, informally, to any mechanism by which the power or speed of an engine is regulated, such as a car's accelerator pedal. What is often termed a
782: 460:). Cars with fuel injection don't need a mechanical device to meter the fuel flow, since that duty is taken over by injectors in the intake pathways (for 2094: 485:, among others), and it allows an older engine design to be converted from carburetor to fuel injection without significantly altering the 2523: 2087: 136:'s power can be increased or decreased by the restriction of inlet gases (by the use of a throttle), but usually decreased. The term 184:. For a gasoline engine, the throttle most commonly regulates the amount of air and fuel allowed to enter the engine. However, in a 775: 1451: 42: 2694: 2493: 683: 2189: 1350: 505:. Vehicles can sometimes employ more than one throttle body, connected by linkages to operate simultaneously, which improves 2518: 1923: 768: 1289: 615:, thrust is controlled by changing the amount of fuel flowing into the combustion chamber, similar to a diesel engine. 100: 328: 284:
system to regulate the airflow into the cylinders, although the result is the same, albeit with less pumping losses.
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where such a valve is used to generate intake manifold vacuum, thereby allowing the introduction of exhaust gas (see
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vehicles. Vehicles not equipped with the EPC warning light indicate issues with the throttle by illuminated
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can be throttled by means of valves which regulate the flow of fuel and oxidizer to the combustion chamber.
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Symptoms of the throttle malfunction could vary from poor idle, decreased engine power, poor mileage, bad
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normally have the throttle (North American English) or regulator (British English) in a characteristic
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The ECU then increases the amount of fuel injected by the injectors in order to obtain the required
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Some modern internal combustion engines do not use a traditional throttle, instead relying on their
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Throttle bodies may also contain valves and adjustments to control the minimum airflow during
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engines, feature a single small throttle plate over a basic carburetor with a single
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is usually at ambient atmospheric pressure. When the throttle is partially closed, a
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unit containing a throttle body and fuel injectors on instead. This is known as
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Triple butterfly throttle body atop a fuel injection plenum, on a supercharged
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The largest piece inside the throttle body is the throttle plate, which is a
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level in-flight. This is not always a requirement; in fact, the thrust of a
234:. In a carbureted engine, it is found in the carburetor. When a throttle is 2668: 2627: 2622: 2398: 2219: 2204: 2179: 2014: 1971: 1953: 1744: 1739: 1706: 1600: 1595: 1576: 1561: 1549: 1539: 1524: 1512: 1480: 1035: 1030: 997: 902: 892: 828: 812: 636: 559: 547: 145: 2612: 2538: 2463: 2458: 2199: 2169: 2068: 1880: 1875: 1812: 1792: 1663: 1413: 1297: 1114: 1066: 1025: 982: 912: 433: 212: 208: 734: 2602: 2592: 2543: 2333: 2277: 2214: 2154: 1842: 1759: 1711: 1658: 1571: 1566: 1385: 1345: 1324: 1319: 1221: 1129: 1061: 987: 927: 858: 612: 568: 538: 445: 402: 381: 316: 149: 126: 19:
This article is about the control of engine power. For other uses, see
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in a non-injected engine, although it is important to remember that a
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design. More complex later designs use intake manifolds, and even
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Most fuel injected cars have a single throttle, contained in a
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engine, the throttle valve is placed on the entrance of the
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Historically, the throttle pedal or lever acts via a direct
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Modern engines of both types (gas and diesel) are commonly
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At the extreme, higher-performance cars like the E92
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develops as the intake drops below ambient pressure.
156:, the valve which controls the steam is known as the 207:(ECU) can achieve better control in order to reduce 618: 218:The throttle on a gasoline engine is typically a 2681: 790: 323:, and it is usually attached to, or near, the 163: 2095: 1445: 776: 586:is not controllable after ignition. However, 518:, and high-performance motorcycles like the 58:introducing citations to additional sources 496: 395:The most basic carbureted engines, such as 144:(in an aviation context) is also called a 129:is managed by constriction or obstruction. 2102: 2088: 1452: 1438: 783: 769: 676:Pilot's Handbook of Aeronautical Knowledge 296:The components of a typical throttle body 172:A cross-section view of a butterfly valve 849:Crankcase ventilation system (PCV valve) 427: 424:showing eight individual throttle bodies 411: 355: 291: 167: 48:Relevant discussion may be found on the 2682: 331:) and therefore with a known density. 211:, maximize performance and adjust the 2083: 1459: 1433: 764: 624:This is usually the case with modern 2054: 732: 706: 384:. Even in those units that are not " 345:(also known as "drive-by-wire"), an 25: 2116:components, systems and terminology 2027:Vehicle identification number (VIN) 13: 14: 2711: 756: 594:engines, such as the one used in 462:multipoint fuel injection systems 2063: 2053: 2044: 2043: 1470:Part of a series of articles on 619:Lifespan of the throttle in cars 529: 481:and "central fuel injection" by 287: 41:relies largely or entirely on a 30: 951:Overhead valve (pushrod) layout 680:Federal Aviation Administration 388:", there will often be a small 2438:Propeller speed reduction unit 726: 700: 661: 546:. The throttle is basically a 1: 2695:Engine fuel system technology 1861:Approach and departure angles 669:"Chapter 6: Aircraft Systems" 654: 444:is somewhat analogous to the 273:installation (fixed-pitch or 2248:Capacitor discharge ignition 338:that regulates the airflow. 282:variable intake valve timing 7: 1924:Automotive light bulb types 733:Milo, Martin (2023-02-14). 707:Milo, Martin (2023-02-16). 642: 452:is not the same thing as a 343:electronic throttle control 164:Internal combustion engines 10: 2716: 792:Internal combustion engine 524:individual throttle bodies 178:internal combustion engine 18: 2641: 2575: 2552: 2506: 2451: 2425: 2416: 2291: 2258:Electronic fuel injection 2233: 2130: 2121: 2039: 2002: 1964: 1914: 1903: 1853: 1780: 1720: 1672: 1651: 1488: 1479: 1467: 1409: 1373: 1333: 1288: 1260:Diesel particulate filter 1245: 1212:Idle air control actuator 1194: 1161: 1153:Engine control unit (ECU) 1143: 1090: 1044: 1006: 926: 811: 798: 739:AUTORIDE | All about cars 713:AUTORIDE | All about cars 588:liquid-propellant rockets 186:gasoline direct injection 21:Throttle (disambiguation) 2304:Aircraft engine starting 1944:high-intensity discharge 1325:Viscous fan (fan clutch) 1237:Throttle position sensor 946:Overhead camshaft layout 604:), than for launch with 497:Multiple throttle bodies 466:direct injection systems 375:throttle position sensor 362:throttle position sensor 152:powered aircraft. For a 125:is a mechanism by which 2349:Mean effective pressure 864:Core plug (freeze plug) 567:" type used on Gresley 16:Control of engine power 2389:Time between overhauls 1628:Stressed member engine 682:. 2008. Archived from 437: 425: 365: 360:Throttle body showing 297: 249:The power output of a 173: 2664:Ice protection system 2404:Volumetric efficiency 2369:Overhead valve engine 1760:Windshield/windscreen 475:single-port injection 431: 415: 400:Briggs & Stratton 390:solenoid driven valve 359: 295: 171: 2649:Auxiliary power unit 2529:Flight data recorder 1929:Daytime running lamp 1105:Compression ignition 464:) or cylinders (for 267:reciprocating engine 54:improve this article 2618:Pressure carburetor 2354:Naturally aspirated 2324:Engine displacement 1891:Weight distribution 1823:Omniview technology 1255:Catalytic converter 556:steam cut-off point 325:mass airflow sensor 311:is the part of the 230:, or housed in the 205:Engine Control Unit 148:, particularly for 2633:Updraft carburetor 2507:Engine instruments 2433:Propeller governor 2329:Four-stroke engine 2010:Registration plate 1381:Knocking / pinging 973:Combustion chamber 649:Adapted automobile 606:multistage rockets 578:means varying the 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MILOMEDIA OÜ 725: 715:. MILOMEDIA OÜ 699: 659: 658: 656: 653: 652: 651: 644: 641: 620: 617: 597:Space Ship One 531: 528: 498: 495: 491:cylinder heads 479:General Motors 371:air-fuel ratio 289: 286: 275:constant speed 165: 162: 117: 116: 52:. Please help 38: 36: 29: 15: 9: 6: 4: 3: 2: 2712: 2701: 2698: 2696: 2693: 2691: 2688: 2687: 2685: 2670: 2667: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2646: 2644: 2642:Other systems 2640: 2634: 2631: 2629: 2626: 2624: 2621: 2619: 2616: 2614: 2611: 2609: 2606: 2604: 2601: 2599: 2596: 2594: 2591: 2589: 2586: 2585: 2583: 2579:and induction 2578: 2574: 2568: 2565: 2563: 2560: 2559: 2557: 2555: 2551: 2545: 2542: 2540: 2537: 2535: 2534:Glass cockpit 2532: 2530: 2527: 2525: 2522: 2520: 2517: 2515: 2512: 2511: 2509: 2505: 2495: 2492: 2490: 2487: 2485: 2482: 2480: 2477: 2475: 2472: 2470: 2467: 2465: 2462: 2460: 2457: 2456: 2454: 2450: 2444: 2441: 2439: 2436: 2434: 2431: 2430: 2428: 2424: 2421: 2419: 2415: 2405: 2402: 2400: 2397: 2395: 2392: 2390: 2387: 2385: 2382: 2380: 2379:Shock cooling 2377: 2375: 2374:Rotary engine 2372: 2370: 2367: 2365: 2362: 2360: 2357: 2355: 2352: 2350: 2347: 2345: 2342: 2340: 2337: 2335: 2332: 2330: 2327: 2325: 2322: 2320: 2317: 2315: 2312: 2310: 2307: 2305: 2302: 2300: 2297: 2296: 2294: 2290: 2284: 2281: 2279: 2276: 2274: 2271: 2269: 2266: 2264: 2261: 2259: 2256: 2254: 2253:Dual ignition 2251: 2249: 2246: 2244: 2241: 2240: 2238: 2232: 2226: 2223: 2221: 2218: 2216: 2213: 2211: 2208: 2206: 2203: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2176: 2173: 2171: 2168: 2166: 2165:Cylinder head 2163: 2161: 2158: 2156: 2153: 2151: 2148: 2146: 2143: 2141: 2138: 2137: 2135: 2129: 2126: 2124: 2120: 2115: 2114:piston engine 2112: 2105: 2100: 2098: 2093: 2091: 2086: 2085: 2082: 2070: 2066: 2062: 2060: 2052: 2050: 2042: 2041: 2038: 2028: 2025: 2023: 2020: 2016: 2013: 2012: 2011: 2008: 2007: 2005: 2001: 1995: 1992: 1990: 1987: 1983: 1980: 1979: 1978: 1975: 1973: 1970: 1969: 1967: 1963: 1955: 1952: 1950: 1947: 1945: 1942: 1940: 1937: 1936: 1935: 1932: 1930: 1927: 1925: 1922: 1921: 1919: 1917: 1913: 1910: 1902: 1892: 1889: 1887: 1884: 1882: 1879: 1877: 1874: 1872: 1869: 1867: 1864: 1862: 1859: 1858: 1856: 1852: 1844: 1841: 1839: 1836: 1835: 1834: 1831: 1829: 1826: 1824: 1821: 1819: 1816: 1814: 1811: 1809: 1806: 1804: 1803:Hood ornament 1801: 1799: 1798:Front-end bra 1796: 1794: 1791: 1789: 1786: 1785: 1783: 1779: 1771: 1768: 1766: 1763: 1762: 1761: 1758: 1756: 1753: 1751: 1750:Quarter glass 1748: 1746: 1743: 1741: 1738: 1736: 1733: 1731: 1728: 1727: 1725: 1723: 1719: 1713: 1710: 1708: 1705: 1703: 1700: 1698: 1695: 1693: 1690: 1688: 1685: 1683: 1680: 1679: 1677: 1675: 1671: 1665: 1662: 1660: 1657: 1656: 1654: 1650: 1644: 1641: 1639: 1636: 1634: 1631: 1629: 1626: 1624: 1621: 1617: 1614: 1613: 1612: 1609: 1607: 1606:Quarter panel 1604: 1602: 1599: 1597: 1594: 1592: 1589: 1587: 1584: 1578: 1575: 1574: 1573: 1570: 1569: 1568: 1565: 1563: 1560: 1556: 1553: 1551: 1548: 1547: 1546: 1543: 1541: 1538: 1536: 1533: 1531: 1528: 1526: 1523: 1519: 1516: 1515: 1514: 1511: 1509: 1508:Body-on-frame 1506: 1504: 1501: 1499: 1496: 1495: 1493: 1491: 1487: 1484: 1482: 1478: 1474: 1473: 1466: 1462: 1455: 1450: 1448: 1443: 1441: 1436: 1435: 1432: 1420: 1417: 1415: 1412: 1411: 1408: 1402: 1399: 1397: 1394: 1392: 1389: 1387: 1384: 1382: 1379: 1378: 1376: 1372: 1365: 1361: 1357: 1354: 1352: 1349: 1347: 1344: 1342: 1339: 1338: 1336: 1332: 1326: 1323: 1321: 1318: 1316: 1313: 1311: 1308: 1307: 1304: 1303:Water cooling 1301: 1299: 1296: 1295: 1293: 1291: 1287: 1281: 1280:Oxygen sensor 1278: 1276: 1273: 1271: 1268: 1266: 1263: 1261: 1258: 1256: 1253: 1252: 1250: 1248: 1244: 1238: 1235: 1233: 1230: 1228: 1225: 1223: 1220: 1218: 1215: 1213: 1210: 1208: 1205: 1203: 1200: 1199: 1197: 1195:Intake system 1193: 1187: 1186:Starter motor 1184: 1182: 1179: 1177: 1174: 1172: 1169: 1168: 1166: 1160: 1154: 1151: 1150: 1148: 1142: 1136: 1133: 1131: 1128: 1126: 1125:Ignition coil 1123: 1121: 1118: 1116: 1113: 1111: 1108: 1106: 1103: 1101: 1098: 1097: 1095: 1093: 1089: 1083: 1080: 1078: 1075: 1073: 1070: 1068: 1065: 1063: 1060: 1058: 1057:Petrol engine 1055: 1053: 1052:Diesel engine 1050: 1049: 1047: 1043: 1037: 1034: 1032: 1029: 1027: 1024: 1022: 1019: 1017: 1016:Blowoff valve 1014: 1013: 1011: 1009: 1005: 999: 996: 994: 991: 989: 986: 984: 981: 979: 976: 974: 971: 969: 966: 964: 961: 959: 956: 955: 952: 949: 947: 944: 942: 939: 938: 936: 934: 933:Cylinder head 929: 925: 919: 916: 914: 911: 909: 906: 904: 901: 899: 896: 894: 891: 889: 886: 884: 881: 878: 874: 870: 867: 865: 862: 860: 857: 855: 852: 850: 847: 845: 842: 840: 837: 835: 832: 830: 827: 825: 824:Balance shaft 822: 821: 819: 814: 810: 806: 804: 797: 793: 786: 781: 779: 774: 772: 767: 766: 763: 740: 736: 729: 714: 710: 703: 689:on 2009-02-27 685: 681: 677: 670: 664: 660: 650: 647: 646: 640: 638: 633: 631: 627: 616: 614: 609: 607: 603: 602:Space Shuttle 599: 598: 593: 592:Hybrid rocket 589: 585: 581: 577: 576:rocket engine 572: 570: 566: 561: 557: 553: 549: 545: 540: 536: 530:Other engines 527: 525: 521: 517: 513: 508: 504: 503:throttle body 494: 492: 488: 484: 480: 476: 471: 467: 463: 459: 455: 451: 450:throttle body 447: 443: 435: 430: 423: 420:from the E92 419: 414: 410: 408: 404: 401: 398: 393: 391: 387: 386:drive-by-wire 383: 378: 376: 372: 363: 358: 354: 352: 348: 344: 339: 337: 332: 330: 326: 322: 318: 314: 310: 309:throttle body 306: 303: 302:fuel injected 294: 288:Throttle body 285: 283: 278: 276: 272: 268: 263: 261: 257: 252: 251:diesel engine 247: 245: 241: 238:, the intake 237: 233: 232:throttle body 229: 225: 224:fuel-injected 221: 216: 214: 210: 206: 201: 200:drive-by-wire 196: 194: 189: 187: 183: 179: 170: 161: 159: 155: 151: 147: 143: 139: 135: 130: 128: 124: 113: 110:February 2019 102: 99: 95: 92: 88: 85: 81: 78: 74: 71: –  70: 66: 65:Find sources: 59: 55: 51: 45: 44: 43:single source 39:This article 37: 33: 28: 27: 22: 2669:Recoil start 2628:Turbocharger 2623:Supercharger 2566: 2489:Single-blade 2399:Valve timing 2220:Sleeve valve 2205:Poppet valve 2180:Main bearing 2015:vanity plate 1954:trafficators 1765:washer fluid 1745:Power window 1740:Opera window 1652:Compartments 1540:Crumple zone 1525:Cabrio coach 1469: 1310:Electric fan 1231: 1110:Coil-on-plug 1036:Turbocharger 1031:Supercharger 903:Main bearing 893:Firing order 883:Displacement 829:Block heater 813:Engine block 801:Part of the 800: 743:. Retrieved 738: 728: 717:. Retrieved 712: 702: 691:. Retrieved 684:the original 675: 663: 637:acceleration 634: 630:check engine 622: 610: 595: 573: 560:poppet valve 548:poppet valve 533: 523: 502: 500: 474: 469: 453: 449: 441: 439: 394: 379: 367: 340: 333: 319:box and the 308: 299: 279: 264: 262:production. 248: 217: 197: 190: 175: 157: 146:thrust lever 141: 137: 131: 122: 120: 107: 97: 90: 83: 76: 64: 40: 2613:Intercooler 2539:Hobbs meter 2464:Blade pitch 2459:Autofeather 2452:Terminology 2359:Monosoupape 2319:Dead centre 2292:Terminology 2200:Piston ring 2170:Gudgeon pin 1949:sealed beam 1881:Roll center 1876:Ride height 1813:Japan black 1808:Instruments 1793:Curb feeler 1659:Hood/bonnet 1334:Lubrication 1298:Air cooling 1115:Distributor 1067:Fuel filter 1045:Fuel system 1026:Intercooler 993:Timing belt 983:Head gasket 913:Piston ring 569:A3 Pacifics 565:double beat 440:A throttle 434:drag racing 213:engine idle 2684:Categories 2603:Gascolator 2593:Carburetor 2544:Tachometer 2426:Components 2418:Propellers 2334:Horsepower 2299:Air-cooled 2278:Spark plug 2243:Alternator 2236:components 2234:Electrical 2215:Rocker arm 2155:Crankshaft 2133:components 2131:Mechanical 1735:Greenhouse 1386:Power band 1346:Oil filter 1320:Thermostat 1265:EGT sensor 1227:MAF sensor 1222:MAP sensor 1207:Air filter 1171:Alternator 1130:Spark plug 1062:Carburetor 988:Rocker arm 928:Valvetrain 859:Crankshaft 803:Automobile 745:2023-02-19 719:2023-02-19 693:2009-02-09 655:References 613:jet engine 539:steam dome 446:carburetor 403:lawn-mower 373:. Often a 317:air filter 150:jet engine 127:fluid flow 80:newspapers 69:"Throttle" 2263:Generator 1989:Tow hitch 1907:equipment 1833:Tire/tyre 1692:Gull-wing 1682:Butterfly 1643:Trunk lid 1586:Monocoque 1490:Framework 1120:Glow plug 1082:Fuel tank 1077:Fuel pump 844:Crankcase 520:Yamaha R6 416:Image of 271:propeller 236:wide open 209:emissions 158:regulator 50:talk page 2567:Throttle 2484:Scimitar 2190:Oil pump 2160:Cylinder 2150:Crankpin 2140:Camshaft 2111:Aircraft 2049:Category 1934:Headlamp 1916:Lighting 1905:Exterior 1871:Overhang 1854:Geometry 1838:run-flat 1818:Nerf bar 1633:Subframe 1601:Platform 1591:Overhang 1503:Beltline 1419:Category 1364:Dry sump 1360:Wet sump 1351:Oil pump 1315:Radiator 1232:Throttle 1092:Ignition 963:Camshaft 888:Flywheel 869:Cylinder 854:Crankpin 643:See also 632:symbol. 516:Ferraris 454:throttle 240:manifold 142:throttle 138:throttle 123:throttle 2443:Spinner 2283:Starter 2273:Magneto 2210:Pushrod 2059:Commons 1755:Sunroof 1707:Suicide 1702:Sliding 1697:Scissor 1638:Tonneau 1623:Spoiler 1530:Chassis 1391:Redline 1275:Muffler 1176:Battery 1100:Magneto 544:priming 458:venturi 418:BMW S65 407:venturi 305:engines 222:. In a 94:scholar 2581:system 2384:Stroke 2225:Tappet 2195:Piston 2069:Portal 1939:hidden 1687:Canopy 1596:Pillar 1577:shaker 1562:Grille 1555:skirts 1550:ponton 1545:Fender 1518:Dagmar 1513:Bumper 1414:Portal 1202:Airbox 1181:Dynamo 908:Piston 898:Stroke 877:layout 805:series 580:thrust 512:BMW M3 422:BMW M3 307:, the 176:In an 134:engine 96:  89:  82:  75:  67:  2588:Avgas 2524:EICAS 2022:Theft 2003:Legal 1982:power 1843:spare 1828:Parts 1770:wiper 1722:Glass 1674:Doors 1572:scoop 1374:Other 998:Valve 968:Chest 687:(PDF) 672:(PDF) 611:In a 265:In a 182:pedal 101:JSTOR 87:books 2577:Fuel 2519:EFIS 2309:Bore 1972:Horn 1712:Swan 1616:rack 1611:Roof 1567:Hood 1481:Body 1472:cars 1356:Sump 873:bank 834:Bore 514:and 483:Ford 442:body 382:idle 73:news 1341:Oil 930:and 815:and 436:car 351:ECU 300:In 277:). 260:NOx 256:EGR 132:An 56:by 2686:: 1362:, 875:, 737:. 711:. 678:. 674:. 571:. 470:do 160:. 121:A 2103:e 2096:t 2089:v 1453:e 1446:t 1439:v 1366:) 1358:( 879:) 871:( 784:e 777:t 770:v 748:. 722:. 696:. 563:" 112:) 108:( 98:· 91:· 84:· 77:· 60:. 46:. 23:.

Index

Throttle (disambiguation)

single source
talk page
improve this article
introducing citations to additional sources
"Throttle"
news
newspapers
books
scholar
JSTOR
fluid flow
engine
thrust lever
jet engine
steam locomotive

internal combustion engine
pedal
gasoline direct injection
mechanical linkage
drive-by-wire
Engine Control Unit
emissions
engine idle
butterfly valve
fuel-injected
intake manifold
throttle body

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