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The Society of Motor Manufacturers and Traders (SMMT) said it believed suspect fuel might have damaged lambda sensors in some cars' systems, leading them to cut power to prevent damage to the engine. [9] Silicon products are used as 'anti-foaming agents' in diesel fuel, but even very small quantities can cause serious problems in petrol engines ...
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Diesel engine runaway: Diesel engine power is governed by the amount of fuel supplied. Excessive pressure in the crankcase can force mist of engine oil into the intake manifold, which can be burned in the same fashion as Diesel fuel, thus causing runaway. One-pedal driving mode and lack of brake application in deceleration and reverse actions. [16]
Diesel engine runaway is an occurrence in diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM, producing up to ten times the engine's rated output until destroyed by mechanical failure or bearing seizure due to a lack of lubrication. [1]
Dieseling or engine run-on is a condition that can occur in spark-plug-ignited, gasoline-powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, drawing fuel through the carburetor, into the engine and igniting it without a spark.
Such designs allow petrol and diesel versions of the same vehicle to be built with minimal design changes between them. Higher engine speeds can be reached, since burning continues in the prechamber. Alternative fuels like bio-diesel and waste vegetable oil are less likely to damage the fuel system in an indirect-injection diesel engine, as ...
In diesel engines in particular, EGR systems come with serious drawbacks, one of which is a reduction in engine longevity. For example, because the EGR system routes exhaust gas directly back into the cylinder intake without any form of filtration, this exhaust gas contains carbon particulates. And, because these tiny particles are abrasive ...
Volkswagen described the diesel engines as being as clean as or cleaner than US and Californian requirements, while providing good fuel economy and performance. [ 66 ] [ 67 ] Due to the good fuel economy provided by its diesel fleet, in 2014 Volkswagen was registered with a Corporate Average Fuel Economy (CAFE) of 34 mpg ‑US (6.9 L/100 km; 41 ...