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  • cel problem

    well my cel (check engine light) has been coming on more frequently, when i was getting the car inspected, i asked the guy, i said "my cel is coming on after about 2-3 miles of driving, but wont throw a code, it resets its self." he said "if it resets its self, thats more than likely an o2 sensor." would this make sense to yall??
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  • #2
    no, no sense at all. if it's reseting iteslf that quickly, you more than likely have a CEL high circuit fault (ECU runs a test to make sure the bulb is doing what it's commanded to) OR you have an intermitant short to ground before the ECU.
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    • #3
      o2 can intermitantly go out.....
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      • #4
        ECU does a bulb check I believe when the car is turned on .

        If it is not setting a code , then it is a soft code , that is a component that is not adjusting quick enough , that will make the light go on and off .may be a 02 going ?

        May be something really minor .

        If it is a hard code then it will set it and store it , that would most likely be a total failure of a component .
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        • #5
          soft codes are still stored in memory but won't set a hard fault untill the ECU sees the problem again (within a certain amount of time). check your memory codes (not active codes)
          Trees aren't kind to me...

          currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
          94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.

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