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P0128

Defective Engine Thermostat, Defective Engine Coolant Temperature Sensor, Defective Intake Air Temperature Sensor, Defective Cooling System, Low Engine Coolant, Dirty Engine Coolant causing incorrect Coolant Temperature Sensor readings, Defective/always running Engine Cooling fan(s).

  • Audi
  • Powertrain
  • Generic code

How this code is built

P
SystemPowertrain
0
Defined bySAE, the same on every car
1
AreaFuel and air metering
28
FaultThe specific fault in that area