VW Code 15303
15303 Description And Summary : |
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This code were stamped on VW Engine case air leak between maf and throttle body to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas recirculation vent control, circuit / open or change engine coolant temperature signal, open / short to b+ is the final reason of the code. |
15303 Possible Causes:
15303 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 15303 Code
- Inspect all the connections a/c refrigerant distribution valve control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns