Originally Posted by Rosstech

16685/P0301/000769 - Cylinder 1 Misfire Detected
Possible Causes
Ignition system
Fuel injectors
Fuel pressure
Running out of fuel
EVAP canister purge valve
Evaporative emission system
Low compression
Base engine problems
Controle Module damaged
Special Notes
This feature search for engine misfire in a specific cylinder. Most of the time the cause for a misfire is a lack of combustion in a cylinder due to absence of spark, poor fuel metering, or poor compression.

When found in 2008-2013 A3, TT and 2009-2013 A4, A5, Q5 and A6 vehicles with the 2,0l TFSI (EA888) engines it maybe necessary to Reset the Misfire Adaptions.
As per TSB [01 13 73] | TPI [2033223] - 01 Engine warning light on after engine replacement EA888 2.0 TFSI
To Reset Misfire Adaptions: Clear the 01-Engine fault codes three times in a row in less than 29 seconds "to remove the programed values."

Originally Posted by Rosstech

17566/P1158 - Manifold Pressure Sensor (G71): Implausible Signal
Possible Causes
Connections to / from sensor (G71) faulty
Sensor (G71) faulty
Possible Solutions
Check wiring and connections
Check hoses
Check / Replace Manifold Pressure Sensor (G71)

Originally Posted by Rosstech

16497/P0113/000275 - Intake Air Temp. Sensor (G42): Signal too High
Possible Symptoms
Malfunction Indicator Light (MIL) ON
Possible Causes
Fuse(s) faulty
Wiring and/or Connector(s) from/to Intake Air Temp. Sensor (G42) faulty
Intake Air Temp. Sensor (G42) faulty
Possible Solutions
Check Fuse(s)
Check Wiring and/or Connector(s) from/to Intake Air Temp. Sensor (G42)
Check/Replace Intake Air Temp. Sensor (G42)