Fault P1101- Ox Sen Low Voltage / Air Leak.(false air) AFC Engine

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Old 06-05-2005, 04:30 PM
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Default Fault P1101- Ox Sen Low Voltage / Air Leak.(false air) AFC Engine

Anyone have a suggestion as to where to start looking for the cause for this one? Where are the common places for leaks in the system? Or do I just have a bad oxygen sensor?
Old 06-05-2005, 10:44 PM
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Default From my Bentley Manual: 1. Check harness connector for heated O2 sensor for looseness, corrosion....

2. Check for exhaust leak in bank 1 exhaust system before heated O2 sensor (HO2S) -G39-; 3. wiring to O2 sensor faulty or O2 sensor faulty.
Old 06-07-2005, 04:59 AM
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how old the O2 sensors are?
Old 06-07-2005, 06:34 AM
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I'm assuming they are original.
Old 06-09-2005, 08:21 AM
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Default It probubly a good time to replace them anyway.

If you will by sensors without connectors, it would cost you $80 and the replacement can be done at home. You will save on fuel right away.
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