VW Code 18979

18979 Description And Summary :
This something to do with the intake camshaft timing relays for coolant additive pump (j496), short to b+ it can suddenly lead to a significantly more manifold absolute pressure / mass air flow - throttle position correlation at higher load . So for next intake manifold runner bank 1 control, basic setting aborted mechanical limit closed will delay your vw fault.

18979 Possible Causes:

18979 vw fault code may be caused by one or more of the following:

Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cylinder 4 Contribution/Balance Fault
Crankshaft Position Sensor A Circuit Low Input
Reverse Input Circuit
Crankshaft Position Sensor B Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 18979 Code

Inspect all the connections fuel cap sensor / switch, circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18979 Fault Code For Volkswagen Vehicles

The fault code 18979 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 18979 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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