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1995, 1997, blazer, chevy, code, codes, dtc, ho2s21, list, obd, obdii, p1151, retrieve, send, trouble, wont

Trouble codes?? OBDII

Mickeymouse on 08-17-2008

08-18-2008 11:58 AM
by Mickeymouse

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1,829

2nd Generation S-series (1995-2005) Tech

99, blazer, chevy, code, failed, ho2s, ho2s21, improper, insuf, insufficient, insuficent, oxygen, sensor, supply, switches, switching, upstream

HO2S-21 insufficient switching

djkrash on 04-20-2008

04-20-2008 07:03 PM
by swartlkk

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1

1,447

2nd Generation S-series (1995-2005) Tech

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