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Author
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Topic: any smog techs here, got a question
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venomous99
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Member # 1917
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posted
 
 
on the hood label for emissions control type, it has 2TWC/2HO2S(2)/SFI
i know this refers to 3 way catalyst and 02 sensors.
does the 2 in front refer to total per bank(if a V6 or V8)or total per car?
car in question is a V6.
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MKII Q7
89LX
Posts: 4811 | From: dc | Registered: Oct 2002
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351w
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Member # 11875
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posted
Hit up Neight he'll know what that is for sure.
Posts: 1020 | From: 510 | Registered: Apr 2012
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Roush6018
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Member # 12041
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posted
The vehicle should have (2) three-way cats, (2) heated o2 sensors , and sequential fuel injection. And 2 oxygen sensor after the cat.
Posts: 23 | Registered: May 2012
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sleeping stallion
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Member # 8162
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posted
roush is right
[ 2013-10-17, 12:49 PM: Message edited by: sleeping stallion ]
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1990 coupe HCI Boost
SEMPER FIDELIS
Posts: 1650 | From: Modesto ca | Registered: Jan 2008
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venomous99
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Member # 1917
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posted
Stupid test only tech kept insisting it was 2 per bank when the car clearly has 1 per side, total 2 on the car. Issue was the smog book for a 2002 pathfinder shows 4cats. After some arguing and showing the parts diagram I passed visual
Posts: 4811 | From: dc | Registered: Oct 2002
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