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A typical ETC system consists of three major components: (i) an accelerator pedal module (ideally with two or more independent sensors), (ii) a throttle valve that can be opened and closed by an electric motor (sometimes referred to as an electric or electronic throttle body (ETB)), and (iii) a powertrain or engine control module (PCM or ECM). [4]
Other problems may be implicated in the case of older vehicles equipped with carburetors. Weak, disconnected, or mis-connected throttle return springs, worn shot-pump barrels, chafed cable housings, and cables which jump their tracks in the throttle-body crank can all cause similar acceleration problems.
Although it displaces 134 cu. in, the 2.2-liter OHV is still commonly referred to as the GM 122 today, and has been reputed for its simplicity, reliability, and ease of maintenance in the J-body cars and S-series trucks, and a few L-body cars. The 2003 model LN2 is equipped with secondary air injection. [1] Applications: 1993–1996 Buick Century
There is essentially no difference in efficiency between the technique of bypassing the throttle butterfly and operating the butterfly itself. The IAC allows the ECU to maintain minimum RPM irrespective of changes in engine load, sometimes referred to as anti-stall feature. Thus the driver can more easily move the car from stand-still by merely ...
It featured the same multiport fuel injection intake manifolds and throttle body as the LH0, and produced 205 hp (153 kW) at 5200 rpm and 225 lb⋅ft (305 N⋅m) of torque at 2100 rpm. Around 3,700 engines were produced each year. This engine had a block with more nickel content and hardened internals. Applications:
GM CFO Paul Jacobson added that launching and operating a robotaxi service would take a significant amount of capital, beyond the $10 billion or so GM already spent on Cruise.
"Moderate coffee drinking has been related to health benefits," lead study author Lu Qi, M.D., PhD, interim chair of the Department of Epidemiology at Tulane University, told Fox News Digital.
[citation needed] The electronic versions have a throttle position sensor that is mounted inside the carburetor body, actuated by the accelerator pump lever. Quadrajet carburetors have mechanical secondary throttle plates operated by a progressive linkage; the primaries open before the secondaries, and use on-demand air valve plates above the ...