LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

DTC 13 and 63

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Old May 20, 2007 | 06:35 PM
  #1  
Mortify's Avatar
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From: Sault Ste. Marie, Ontario, Canada
DTC 13 and 63

What can I do to test the right and left o2 sensors... could something else be causing these problems?
Old May 20, 2007 | 07:58 PM
  #2  
Injuneer's Avatar
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From: Hell was full so they sent me to NJ
Codes are for "open circuit".... they are either unplugged, burned out, or the wiring harnesses are messed up. Put a scanner on it and look at the O2 sensor voltages.
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