That was my though too, initially. However, if the STFT is being guided ONLY by the lambda A/F sensor (my understanding) then I interpreted the STFT dip (i.e. ECU is taking fuel away) to be in response to the "rich" signal coming from the lambda sensor (i.e. negative mA). Also, keep in mind that the LTFT is at +10.see if I interpret this correctly, you should not have a radical dip in STFT in the seventh block ?
I cleaned the MAF sensor.....does the 03 Passat also have a MAP sensor?have you cleaned your MAP sensor, as it sometimes collects oil buildup ?
Interesting. I didn't appreciate that a MAF g/s reading that exceeded the x0.8 rule was a problem. Especially for a turbo. So let me work this through...195 g/s on the maf is about 50% too high for a stock 1.8T. Time to replace it, make sure it's the correct number as several people have had the wrong one installed when they bought the car.
The MAP sensor is on top of the intercooler, the intake temp sensor should be on the intake manifold.
Thanks for correction......for some reason thought there was more than 1 sensor/device/combo going on down thereThe MAP sensor is on top of the intercooler, the intake temp sensor should be on the intake manifold.