16684/P0300/000768

16684/P0300/000768 - Random/Multiple Cylinder Misfire Detected

Possible Causes

• Air Intake System leaking
• Fuel Supply faulty
• Injector(s) faulty
• Ignition Cable(s) and/or Spark Plug(s) faulty
• Ignition Coil(s) faulty
• Exhaust Gas Recirculation (EGR) Valve (N18) stuck/open
• Camshaft Position Sensor (G40) faulty

Possible Solutions

• Check Misfire Recognition
• Check Air Intake System
• Check Fuel Supply
• Check Injector(s) and Injector Sealing
• Check Ignition Cable(s) and Spark Plug(s)
• Check Ignition Coil(s)
• Check Exhaust Gas Recirculation (EGR) Valve (N18)
• Check Camshaft Position Sensor (G40)

Special Notes

• This DTC indicates that one or multiple cylinders are misfiring, but the ECU fails to identify the cylinder.
  • See this Volkswagen Diagnostic Aid https://static.nhtsa.gov/odi/tsbs/2022/MC-10214471-0001.pdf
• 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."
    • https://static.nhtsa.gov/odi/tsbs/2014/MC-10124866-9999.pdf NHTSA
• For the Tiguan with the 2.0T DGUE engine that has one or more of the following fault codes, please see TSB 054615 for possible ECM update and hardware update.
  • P0172, P0300, P0301, P0302,P0303, P0304, P0441, P0456, P060C, P2440 and/or P2450
    • https://static.nhtsa.gov/odi/tsbs/2019/MC-10162819-0001.pdf nhtsa.gov