P0430 and P0328 need help with these codes - Nissan Xterra Forum
 
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#1 Old 09-15-2009, 12:07 AM
dbaxfan
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P0430 and P0328 need help with these codes

My 2004 Xterra 3.3 V-6 has the service engine light on and the codes that come up are P0430 Catalyst system efficiency below threshold (bank 2) and P0328 Knock sensor 1 Circuit high input (Bank 1 or single sensor) (3).
It did not pass emissions so I need to correct this so I can get my tags renewed. Just had a tune up done and oil change and new air filter but the service engine light came back on. What can be causing this? Please help. Thank you.
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#2 Old 09-15-2009, 12:11 AM
Ricer-X
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the 430 is either the 02 sensor or a bad catalytic converter.

the knock sensor wont turn the light on, they go out all the time on this engine, isnt a big deal unless you are supercharged, mines been out for like 3 years now

Dustin - 2004 XE V6 2wd; 3" SL, 2" BL, 33x12.5" ATs, HooHaa Steering, Idler arm Brace, 5% tint, Bilstein HD shocks, SAW Tbars, 1/2" ball joint spacers, piaa, HD Tbar anchors, B&M Tranny Cooler Stock Intake Mod, blacked out plastics/wheels/rack
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#3 Old 09-15-2009, 04:40 AM
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catalyst system , knock sensor , p0328 , p0430

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