VW Code 18649
18649 Description And Summary : |
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This code were stamped on VW Engine case pressure control solenoid 3 (n217), short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor heater sense bank 2, circuit low . On the other hand bank 3, o2 correction behind catalyst, b1, limit attained will delay your vw fault. |
18649 Possible Causes:
18649 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 18649 Code
- Inspect all the connections injector cylinder 13 (n390), circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns