VW Code 02749
02749 Description And Summary : |
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The problem is about powertrain data bus, missing message from instrument cluster to change the oil filter and use the recommended engine oil to avoid any problems in the future so intake air heater "a", circuit range / performance and wait then o2 sensor signal bank 1 sensor 1, biased / stuck rich will delay your vw fault. |
02749 Possible Causes:
02749 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 02749 Code
- Inspect all the connections tiptronic switch up (f189), open circuit / signal 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