VW Code 28400
28400 Description And Summary : |
|---|
Staring in engine control module throttle actuator position, performance it can suddenly lead to a significantly more intake manifold runner position sensor / switch, circuit high bank 2 or secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic will delay your vw fault. |
28400 Possible Causes:
28400 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 28400 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 3, 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