Diagnostic Trouble Code (DTC) P0300 Multiple Cylinder Misfire (Increase Emission) Circuit Features
SOURCE: HELP, MISFIRING: 1999 Audi A6 Quattro Avant Wagon
P1127 Long Term Fuel Trim mult.,Bank1 System too Rich
P1129 Long Term Fuel Trim mult.,Bank2 System too Rich
P1250 Fuel Level Too Low
P1300 Misfire detected Reason: Fuel level too low
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0300 Random/Multiple Cylinder Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0304 Cylinder 4 Misfire Detected
It sounds like there is a lot going on.
Good Luck
Brian
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