Thread: Checking CEL Codes?
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Old Nov 5, 2004 | 03:04 PM
  #11  
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racerdave
USAF C-17 Crewchief
 
Joined: Feb 2003
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From: Washington
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41.... Primary Oxygen Sensor - Heater circuit malfunction? What the hell?

Is that expencive? What is it and how do I fix it? Can it hurt my motor if I drive it?
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