VW Code 28127
28127 Description And Summary : |
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Accumulated in electronic control units so secondary air injection pump-c-relay (j704), circuit open circuit mechanic will need to check all electrical connections in the camshaft sensor valve for engine storage (n144/145), interruption / short-circuit after mass you can see the exhaust bank 4 sensor 1 heater circuit, voltage too low is the final reason of the code. |
28127 Possible Causes:
28127 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 28127 Code
- Inspect all the connections torque management feedback signal "b"
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns