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how many o2 sensor located on engine B16A4?

Old 12-02-2006, 12:58 PM
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salkris
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Default how many o2 sensor located on engine B16A4?

how many o2 sensor located on engine B16A4?
and i have must install the catalyst after the o2 sensor?
Old 12-02-2006, 01:14 PM
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Snoopy
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what obd is the engine?
Old 12-02-2006, 01:18 PM
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salkris
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Default B16a4

B16a4 Vtec
Old 12-02-2006, 01:19 PM
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what year is it?
Old 12-02-2006, 01:24 PM
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salkris
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Default 96 and up -asian ver-

96 and up -asian ver-
Old 12-02-2006, 01:29 PM
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JoePoonani
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There should be 2, one before the cat and one after the cat.
Old 12-02-2006, 01:34 PM
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salkris
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Default ????

if no body know it, open google.com and search b16a4
Old 12-02-2006, 01:40 PM
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salkris
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if i have just one before the cat, does it affect the power or fuel consumption?
Old 12-02-2006, 02:05 PM
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Originally Posted by salkris
if i have just one before the cat, does it affect the power or fuel consumption?
no, second o2 sensor is merely there to tell your ecu if the cat is working properly. The primary o2 is what determines AF ratio.
Old 12-02-2006, 06:21 PM
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Nissan420
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Yeah it sucks dont it


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