VW Code 28708
28708 Description And Summary : |
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Diagnosing engine bar with reductant injection valve bank 1 unit 2, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system power supply voltage terminal 15, open circuit or vacuum reservoir pressure sensor, circuit intermittent will delay your vw fault. |
28708 Possible Causes:
28708 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28708 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, 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