Hello Volks
I am trying to determine if the VW cat converter is a 2 way or a 3 way
converter. The 3 way uses a Reduction Catalyst employing Platinum and
Rhodiun to reduce NOx emissions in addion to the standard "2 way"
Oxidization Catalyst which employs Platinum to reduce unburned HC and CO
emissions. Modern converters I am told tend to be 3 way. I believe all
converters have the Oxidization Catalyst to reduce HC and CO emissions.

My Subaru powered Weekender failed for high NOx emissions which means I need
to use a 3 way converter that has the Reduction Catalyst. The converter on
my present exhaust was apparently gutted by the previous owner.

Any information would be greatly appreciated.

Gary

Gary McEachern, Reading Ma.
'90 Westy
'87GL Wolfy Weekender SubaVanagon
'75 Spitfire

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