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1991 Toyota Tercel (Check engine light) code 71.

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  • December 5, 2013 at 4:03 am #560744
    SDMAN1981SDMAN1981
    Participant

      I have a 1991 Toyota Tercel and my check engine light came on with the code 71 (OBD1 Question is I got the code 71 (EGR System) I know it has something to do with the EGR System but what are the things to check/diagnose?

      I did take out EGR Valve and cleaned out the carbon build up the best I could and also tested the diaphragm on it and it still works. But in case the light comes back on what other things should I check/do?

      Thanks.

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    • December 11, 2013 at 2:26 pm #562067
      college mancollege man
      Moderator

        if the light does come back on. Try cleaning the sensor
        itself.

        December 17, 2013 at 2:54 am #563367
        EricTheCarGuy 1EricTheCarGuy
        Keymaster

          I think you got it. The fact that the engine tried to stall when you applied vacuum is a pretty good indicator that you’ve cleared the passages. If the light comes back, we’ll deal with it then. For now, I think you’ve fixed it based on what you’ve told us so far.

          Keep us posted if things change.

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