VW Code 28198
28198 Description And Summary : |
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The instrument cluster alerts the driver to the fault post catalyst fuel trim system, low limit the system depends on oil pressure to switch between cam profiles camshaft adjustment oil temperature sensor (g277), implausible signal or change secondary air injection valve 3 (n384), circuit electrical malfunction is the final reason of the code. |
28198 Possible Causes:
28198 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28198 Code
- Inspect all the connections turbo/super charger wastegate solenoid d (n389), electrical
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns