Thread: Code 1 primary O2 sensor
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Old Aug 12, 2003 | 09:35 PM
  #6  
civicexstacy00's Avatar
civicexstacy00
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From: Carlisle PA
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it has nothing to do with vtec engagement. like i said, it only happens when i'm cruising at a constant RPM, ususally 3-4K RPM.
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