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In 1990 and 1991, the Chevy engine with the Delco Electronics Gen-3 controller won 33 straight IndyCar races. Chevy's dominance had proved that electronics had found their place in IndyCar racing. In the 1992 IndyCar World Series, race cars with Gen-3 captured 7 poles, 11 wins including the 1992 Indianapolis 500, in 16 races.
In 1981, a Delco Electronics ECU was used by several Chevrolet and Buick engines to control their fuel system (a closed-loop carburetor) and ignition system. [10] By 1988, Delco Electronics was the leading producer of engine management systems, producing over 28,000 ECUs per day.
A PCM from a 1996 Chevrolet Beretta. A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the ...
The federal investigation covers select Chevrolet, Cadillac, and GMC trucks and SUVs built with the 6.2-liter L87 V-8 between the 2019 and 2024 model years. Feds Investigating 877K GM SUVs ...
In 1926, Northway Motor Division was liquidated and its Detroit plant was sold to Chevrolet on March 31 to become the Chevrolet Gear and Axle Div. Part of the engine tooling machinery was transferred to the Yellow Sleeve-Valve Engine Works at East Moline IL. Some Northway engines were still used by some GMC trucks (K-series) until at least 1930.
The most common way to "upgrade" the electronic control unit is using either plug in modules as mentioned above or using a specialist tuner who will use an Onboard Diagnostics Flash tool. These devices generally plug into the diagnostic port although in some cases the reprogramming is done directly on the circuit board. Maps are supplied by tuners.
An ECU from a Geo Storm. An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.
This interface was made in different varieties and changed with power train control modules (aka PCM, ECM, ECU). Different versions had slight differences in pin-outs and baud rates. Earlier versions used a 160 baud rate, while later versions went up to 8192 baud and used bi-directional communications to the PCM. [15] [16]
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