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Old 08-02-2002, 01:58 PM
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jbaj007 jbaj007 is offline
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Join Date: Jun 2001
Location: Santa Monica, CA
Posts: 2,053
CAT controls HC emissions primarily.
EGR controls NOx primarily.
Therefore, smart money is on the EGR.
The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)
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