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95 Mazda Protege check engine light comes on and then off

Mazda Protege This compact model offers an economical solution for the need for a sporty sedan or wagon.

95 Mazda Protege check engine light comes on and then off

  #1  
Old 06-22-2017, 07:38 PM
Junior Member
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Join Date: Sep 2015
Location: Connecticut
Posts: 19
Default 95 Mazda Protege check engine light comes on and then off

I just had the oxygen sensor replaced that's off thw exhaust pipe with the sensor hole already there. Once installed the check engine light went off. After 50 miles it came back on again. Have no clue why it came back on because that should have fixed the problem. Now it comes on for a couple of days and then back off again. The co see clearly said that sensor needed to be replaced, so why is my check engine light still coming on???
 
  #2  
Old 06-25-2017, 06:42 AM
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Join Date: May 2012
Location: Queensland Australia
Posts: 3,455
Default

You will need to get another code check done. It could be a faulty 02 sensor, or another fault elsewhere.
 
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