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Old 02-05-2013, 07:48 PM   #1
c_LoW29


 
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Question p0171

So I am getting a lean on bank 1 and I took a log in hopes that someone might be able to tell me if bank 1 sensor 1 is bad thus causing the lean condition. Here is the log

18:49:02 # DATALOGGER STARTED
Fuel System 1 Status Closed Loop Control using Oxygen Sensor - Normal
Fuel System 2 Status Closed Loop Control using Oxygen Sensor - Normal
Calculated Load 15.3 %
Engine Speed 524.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Ignition Timing Advance Cyl #1 17 Degrees Advance (+)
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.790 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.850 V
Bank 2 Sensor 2 0.725 V
Calculated Load 15.3 %
Engine Speed 524.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.805 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.825 V
Bank 2 Sensor 2 0.580 V
Calculated Load 15.3 %
Engine Speed 532.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.815 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.785 V
Bank 2 Sensor 2 0.345 V
Calculated Load 15.3 %
Engine Speed 518.75 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.825 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.740 V
Bank 2 Sensor 2 0.065 V
Calculated Load 15.3 %
Engine Speed 519.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.820 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.245 V
Bank 2 Sensor 2 0.035 V
Calculated Load 15.3 %
Engine Speed 531.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Ignition Timing Advance Cyl #1 12 Degrees Advance (+)
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.800 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.085 V
Bank 2 Sensor 2 0.025 V
Calculated Load 15.3 %
Engine Speed 519.50 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.775 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.070 V
Bank 2 Sensor 2 0.020 V
Calculated Load 15.3 %
Engine Speed 523.50 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.720 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.070 V
Bank 2 Sensor 2 0.025 V
Calculated Load 15.3 %
Engine Speed 531.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.520 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.080 V
Bank 2 Sensor 2 0.035 V
Calculated Load 15.3 %
Engine Speed 526.75 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.130 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.105 V
Bank 2 Sensor 2 0.035 V
Fuel System 1 Status Closed Loop Control using Oxygen Sensor - Normal
Fuel System 2 Status Closed Loop Control using Oxygen Sensor - Normal
Calculated Load 15.3 %
Engine Speed 523.75 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.035 V
Bank 1 Sensor 2 0.460 V
Bank 2 Sensor 1 0.665 V
Bank 2 Sensor 2 0.045 V
Calculated Load 15.3 %
Engine Speed 534.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.035 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.820 V
Bank 2 Sensor 2 0.100 V
Fuel System 1 Status Closed Loop Control using Oxygen Sensor - Normal
Fuel System 2 Status Closed Loop Control using Oxygen Sensor - Normal
Calculated Load 15.3 %
Engine Speed 534.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Ignition Timing Advance Cyl #1 9 Degrees Advance (+)
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.045 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.855 V
Bank 2 Sensor 2 0.675 V
Calculated Load 15.3 %
Engine Speed 536.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.055 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.860 V
Bank 2 Sensor 2 0.770 V
Calculated Load 15.3 %
Engine Speed 532.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.080 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.865 V
Bank 2 Sensor 2 0.775 V
Calculated Load 15.3 %
Engine Speed 536.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.590 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.865 V
Bank 2 Sensor 2 0.775 V
Calculated Load 15.3 %
Engine Speed 531.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.780 V
Bank 1 Sensor 2 0.445 V
Bank 2 Sensor 1 0.865 V
Bank 2 Sensor 2 0.785 V
Calculated Load 15.3 %
Engine Speed 539.00 Rpm
Vehicle Speed 0 Kmh 0 Mph
Ignition Timing Advance Cyl #1 9 Degrees Advance (+)
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.810 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.845 V
Bank 2 Sensor 2 0.725 V
Calculated Load 15.3 %
Engine Speed 528.25 Rpm
Vehicle Speed 0 Kmh 0 Mph
Absolute Throttle Position 16.9 %
Bank 1 Sensor 1 0.815 V
Bank 1 Sensor 2 0.450 V
Bank 2 Sensor 1 0.815 V
Bank 2 Sensor 2 0.585 V
18:49:12 # DATA LIMIT REACHED - DATALOGGER STOPPED
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Old 02-05-2013, 07:51 PM   #2
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From my understanding the sensor should stay between 0.2-0.8 it seems to stay really high and then drop extremely low midway through the log
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Old 02-05-2013, 07:58 PM   #3
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screen shots
Attached Images
  
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Old 02-05-2013, 08:05 PM   #4
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I got this and 0174...
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Old 02-05-2013, 08:12 PM   #5
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no p0174 for me just p0171
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Old 02-06-2013, 07:17 AM   #6
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bump!!!! anyone got any ideas
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Old 02-07-2013, 08:44 AM   #7
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With a lot of help from Ted @ Jannetty, Tracey @ RX Performance and it throwing a P0131 code I figured it out. It was a bad O2 sensor Bank 1 Sensor 1.
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Old 11-10-2013, 02:44 PM   #8
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If I am throwing a p0131 as well as the p0171, and running very rich on the whole left bank, do you think I could have a faulty O2 sensor as well? You seem to have already been down a path similar to mine.
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