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From 1994 onwards, they were required to have a Diesel Oxidation Catalyst. From 2008 onwards (in the US), a set of emissions standards requiring highway diesel engines to have a Diesel Particulate Filter went into effect. From 2012 onwards, engines over a certain displacement required a complete aftertreatment system, with a DOC, DPF, and Selective Catalytic Reduction, which uses Diesel Exhaust Fluid (DEF).
Actually, they don't. They have trap oxidizers which have the same effect of a catalytic converter but is an entirely different part.
No they do not.
I'm pretty sure that all gasoline or diesel powered vehicles in the U.S are required to have a catalytic converter. Yes, it is illegal to remove a catalytic converter in any state.
Diesel vehicles do not have catalytic converters. Diesels sometimes have a part called a resonator or a diesel particulate filter. Since it doesn't exist, there is no legality issue.
Any diesel engine can run on quality biodiesel. Older engines even better. New engines can loose their warranty if you use biodiesel, so please check.
Diesels as a rule don't have catalytic converters. THey might have particle filters though.
None. A Diesel Oxidation Catalyst and a catalytic converter (as used on gas engines) are extremely different, as is their construction.
Yes, since 2007.Yes, since 2007.
if the 2003 ,350 is a diesel, there is no catalictic converter. only gas engines have them
DEF (diesel exhaust fluid) is used as a consumable in SCR (selective catalytic reduction) in order to lower NOx concentration in the diesel exhaust emissions from diesel engines.
A catalytic converter is used to filter out the harmful gasses that vehicles put into the air. There are two way and three way catalytic converters, the two way cats are on diesel trucks and the three way cats are on gas vehicles.