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The General Motors ignition switch recalls refers to February 6, 2014 when General Motors recalled about 800,000 of its small cars due to faulty ignition switches, which could shut off the engine while the vehicle was in motion and thereby prevent the airbags from inflating. [1]
[The H2 eventually became] the poster cars for American excess and environmental insensitivity. Few other vehicles created such a visceral response from others than the Hummer H2. The whole vehicle was in really bad taste, though we understand there are plenty of state militia and World Wrestling Federation fans who think otherwise." [19]
The Hummer H2 is a full-size off-road sport utility vehicle (SUV) that was marketed by Hummer and built in the AM General facility under contract from General Motors from 2002 until 2009. It is based on a modified GMT820 GM three-quarter-ton pickup truck in the front and a half-ton 1500 frame in the rear.
A crank sensor (CKP) [1] [2] [3] is an electronic device used in an internal combustion engine, both petrol and diesel, to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters.
Low-speed pre-ignition (LSPI), also known as stochastic pre-ignition (SPI), [1] is a pre-ignition event that occurs in gasoline vehicle engines when there is a premature ignition of the main fuel charge. [2] LSPI is most common in certain turbocharged direct-injection vehicles operating in low-speed and high-load driving conditions. [3]
Ignition switch on a Saab 9-5 An ignition switch , starter switch or start switch is a switch in the control system of a motor vehicle that activates the main electrical systems for the vehicle, including "accessories" (radio, power windows, etc.).
Because the H2 is built to the over-8500-lb GVW, its fuel economy is neither published by the U.S. EPA nor counted toward Corporate Average Fuel Economy. [48] For example, H2 in one engine configuration averages an estimated 14 mpg ‑US (17 L/100 km; 17 mpg ‑imp) on the highway and 10 mpg ‑US (24 L/100 km; 12 mpg ‑imp) in the city. [48]
The ignition source of a diesel engine is the heat generated by the compression of the air in the cylinder, rather than a spark as in gasoline engines. The dieseling phenomenon occurs not just because the compression ratio is sufficient to cause auto-ignition of the fuel, but also because a hot spot inside the cylinder (spark plug electrode ...