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It features a Bosch Motronic 2.8.1 engine management system (Omega), with later examples featuring M2.8.3 (Calibra 1994, Vectra 1995) and a compression ratio of 10.8:1. For 1994, in order to meet more stringent emissions requirements, a secondary air injection system and an EGR valve were added to the C25XE and it became the X25XE .
However, uncooled EGR designs do exist; these are often referred to as hot-gas recirculation (HGR). Cooled EGR components are exposed to repeated, rapid changes in temperatures, which can cause coolant leak and catastrophic engine failure. [9] [10] Unlike spark-ignition engines, diesel engines are not limited by the need for a contiguous ...
Byte 2,3 - Removal or block of the particulate aftertreatment system counter Byte 4,5 - Liquid regent injection system (e.g. fuel-borne catalyst) failure counter Byte 6,7 - Malfunction of Particulate control monitoring system counter 0 65,535 h C7: 199: 2 Distance Since Reflash or Module Replacement 0 65,535 km C8: 200: 1
The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.2 and 2.5 litres.Confusingly, the Ecotec name was also applied to both the Buick V6 Engine when used in Holden Vehicles, as well as the final DOHC derivatives of the previous GM Family II engine; the architecture was substantially re-engineered for this new Ecotec ...
Rochester Products Division (RPD) was a division of General Motors that manufactured carburetors, and related components including emissions control devices and cruise control systems in Rochester, New York.
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The Quad 4 is the first domestic regular production DOHC four-cylinder engine wholly designed and built by GM, the only similar prior example being the Chevrolet Cosworth Vega, whose DOHC head was designed by Cosworth in England. In addition to the 2.3-liter DOHC Quad 4s, there was also a short-lived 2.3-liter SOHC variant called the "Quad OHC ...
Image source: The Motley Fool. Mobileye Global (NASDAQ: MBLY) Q4 2024 Earnings Call Jan 30, 2025, 8:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call Participants