Tuesday, January 26, 2010
What is an EGR Factor?
When a new automobile model comes out it has no "history" as to crash-worthiness, likelihood of being stolen, or the likelihood of occupants' injuries exceeding the norm. As the vehicle develops a history within the insurance industry that results in a factor. Let's say that 1.00 is the norm and the 2008 Anycar is experiencing a 5% larger occurrence in occupant injuries and a 5% higher level of damage when compared to similar vehicles. You may the see an EGR Factor adjustment to Bodily Injury, Personal Injury and other coverage and an adjustment to the physical damage coverage (collision). You could experience a 5% rate increase while keeping the exact same vehicle. Good to know.
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One of the most frequently asked questions we receive is what is the EGR system and why do I need it? We don't have to go into long technical descriptions here. EGR stands for Exhaust Gas Recirculation. To meet certain emissions standards, it is necessary to reintroduce exhaust gases into the intake air in order to bring certain elements in the exhaust within levels set for that year of truck. Of course you wouldn't want to dump hot exhaust gas directly into the intake manifold, so that is why there is an EGR cooler. The cooler has engine coolant running through it and looks very much like a regular radiator or heater core. The exhaust gas passes through this small radiator and lowers the exhaust gas to a temperature that it is able to be introduced into the intake system at. On the 6.0 Powerstroke engine, it is an extremely simple system consisting only of a cooler and a valve. When the engine's computer decides the EGR valve should open under certain conditions, the exhaust gas is let out of the cooler and into the intake manifold. And here we have the first hint of a problem; the exhaust gas is always in the EGR cooler. Click here and get EGR Delete Kit for EGR removal.
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