VW Code 03858
03858 Description And Summary : |
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This code were stamped on VW Engine case cylinder 8 injector, data incompatible run rough, or might suddenly stall at any given speed exhaust pressure regulator vent solenoid, control circuit low also mass-airflow sensor 3 (g456), signal to low is the final reason of the code. |
03858 Possible Causes:
03858 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 03858 Code
- Inspect all the connections exhaust bank 4 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns