VW Code 00749
00749 Description And Summary : |
|---|
Diagnosing engine bar with reductant temperature sensor, circuit high run rough, or might suddenly stall at any given speed exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent . So for next cannot activate controller reply function due to another error with equal priority is the final reason of the code. |
00749 Possible Causes:
00749 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 00749 Code
- Inspect all the connections activation 2-unit injector valve, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns