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Old 02-06-2012, 04:59 PM
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NissanTech NissanTech is offline
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2004 Xterra
 
Join Date: Jun 2005
Location: California
Age: 52
Posts: 12,536
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P0031: OBDII Code P0031 INFINITI - HO2S11 Heater Control Circuit Low | Engine-Codes.com

p0037: OBDII Code P0037 INFINITI - HO2S12 Heater Control Circuit Low | Engine-Codes.com

P0051: OBDII Code P0051 INFINITI - HO2S21 Heater Control Circuit Low | Engine-Codes.com

P0057: OBDII Code P0057 INFINITI - HO2S22 Heater Control Circuit Low | Engine-Codes.com

p0158: OBDII Code P0158 INFINITI - HO2S22 Circuit High Voltage | Engine-Codes.com

All thoses could be set by a blown #25 fuse.

2002 QX4 O2 sensors and MAF-image01-gif
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2002 QX4 O2 sensors and MAF-image01-gif  
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