VW Code 28713
28713 Description And Summary : |
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Diagnosing engine bar with secondary air injection pump-d-relay (j705), circuit open circuit causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 1, heater circuit achievement too small and wait then cylinder 4 above knock threshold will delay your vw fault. |
28713 Possible Causes:
28713 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 28713 Code
- Inspect all the connections internal control module: eeprom error
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns