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Oxygen sensor reading
P0030, P0300 set. After clearing codes, engine runs until closed loop reached. B1S1 oxygen sensor reading on scan tool (tried 3 different, using global and GM enhanced) 1.275V. B1S2 oxygen sensor reading on scantool 15-20mv. B1S1 never moves from that voltage ... Login to read more. 
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31 Replies Received
31 Replies Received
| Engine | 3.5 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2006 Chevrolet Impala LS 3.5L
| Engine | 3.5 L |
| Trans | 4-speed Automatic (Electronic) |
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