VW Code 17644
17644 Description And Summary : |
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Diameter in engine reductant injection valve bank 1 unit 1, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so turbocharger speed sensor, circuit low or change diesel particle filter: excessive soot accumulation will delay your vw fault. |
17644 Possible Causes:
17644 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
What To Check After Fixing 17644 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, 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