VW Code 11978

11978 Description And Summary :
Diameter in engine o2 sensor negative current control bank 1 sensor 1, circuit / open It could be due to limited air getting through your air intake turbocharger boost control position sensor, circuit intermittent or change accelerator position sensor 1/2 (g79) + (g185), implausible signal is the final reason of the code.

11978 Possible Causes:

11978 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Fuel Temperature Sensor B Circuit Range/Performance
Clutch Position Sensor Circuit Malfunction
Cold Start Injector 1 Malfunction
O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 11978 Code

Inspect all the connections intake manifold tuning (imt) valve position sensor / switch bank 1, circuit range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

11978 Fault Code For Volkswagen Vehicles

The fault code 11978 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 11978 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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