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running lean with a ego heater cel

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    running lean with a ego heater cel

    the car been running lean changed spark plugs wires, distrubtor, rotor, and o2 sensor. I checked the fuel pump relay. Any suggestions?
    sigpic

    #2
    Vacuum leak

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      #3
      As mentioned, intake leaks are a possibility, but there could be a fuel delivery problem, a bad ECT sensor, or even a bad DME.
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

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        #4
        checked for the common vacuum leaks and nothing the ect sensor is the blue coolant sensor? I swapped dme's as well and same thing happened. I opened the original dme and found a bmp design chip in there. Im thinking of swapping the chip as well because i have another dinan for the same ecu number.
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          #5
          how about the O2 heater relay? it's the same kind of relay as the FP. swap them around and see what happens.
          Build thread

          Bimmerlabs

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            #6
            changed the chip and got a better idle around 800 rpm. so you saying swap the orange relay with the white relay near the driver side wheel?
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              #7
              swapped relays and the same CEL
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                #8
                i have some vr6 fuel injectors to see if the bogging is due to clogged injectors because i have 235k on the motor
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                  #9
                  will they fit?
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