VW Code 17778
17778 Description And Summary : |
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Diagnosing engine bar with control of valves pump / nozzle, mechanical errors to change the oil filter and use the recommended engine oil to avoid any problems in the future so synchronisation line or reductant injection valve bank 2 unit 1, circuit / open will delay your vw fault. |
17778 Possible Causes:
17778 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 17778 Code
- Inspect all the connections wheel speed signal 2, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns