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Old 08-15-2002, 12:04 AM
JDUB JDUB is offline
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Join Date: Apr 2000
Posts: 412
a quick test can be done with a digital thermometor like those used in meat packing. In a split second it can be determined if the cat is working if the outlet side is hotter than the inlet side. I have seen it done.
1990 190E 2.6
1996 Grand Voyager 3.3
1985 Mustang GT 5.0 5 SPD
1982 Suzuki GS 750T
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