P219A HONDA FIT/JAZZ GEN 2

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  • #316778
    Carlostratos
    Participant

      Getting a P219A code on Honda fit, engine runs fine. LTFT at around 2.0 and STFT jumping all over when not idling (-10 to 20). Cleaned the MAF, O2 sensor 1, re gapped the plugs (which looks ok, maybe a little lean), put some fuel system cleaner in fuel tank. I’m a not well equipped diy. Suspecting clogged injectors. It’s on my son car running on a tight budget. Any other insight or suggestions?

      #316779
      Fixer32
      Participant

        Do you have the year and the VIN for the car?

        #316780
        Carlostratos
        Participant

          2013 LUCGE8G73D3001757

          #316781
          Carlostratos
          Participant

            Also, which parameter the ecu is looking for in order to throw a P219A? Cannot find that info anywhere. To get a P0171 the ecu is looking for a 25% LTFT. Maybe it’s looking at STFT?

            #316782
            Fixer32
            Participant

              When was the last time the valve adjustment was checked/adjusted? Does it happen more when the engine is at operating temp?

              #316783
              Carlostratos
              Participant

                my son just bought the car, so I would probably say never… I was planning to do it this winter when I will have some garage time. I’ll try to clean the injectors at the same time.
                Like I mentioned before, engine is running fine. STFT is more erratic when accelerating a bit, but when I go full throttle, it looks ok.

                #316824
                Fixer32
                Participant

                  See if vacuum is low (usually caused by tight valves). Remove o2 sensor see if it runs better (restricted exhaust)

                  #316825
                  Fixer32
                  Participant

                    Front i2 sensor (before cat.)

                    #316826
                    Fixer32
                    Participant

                      O2 sensor

                      #316827
                      Carlostratos
                      Participant

                        How am I supposed to check for low vacuum? Reading from the MAP?
                        Like I said, engine is running fine. Removing the O2 sensor is only going to make it run in open loop and I won’t see any movement from stft

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