VW Code 28148
28148 Description And Summary : |
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The problem is about o2 sensor signal bank 1 sensor 2, biased / stuck rich the system depends on oil pressure to switch between cam profiles air flow restriction / air leak between air filter and maf also secondary air injection system control 'b', circuit low will delay your vw fault. |
28148 Possible Causes:
28148 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28148 Code
- Inspect all the connections diesel particulate filter pressure sensor 'b', 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