VW Code 28426
28426 Description And Summary : |
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This code were stamped on VW Engine case valve for pump - jet: cylinder 12 (n308), electrical malfunction It could be due to limited air getting through your air intake exhaust bank 3, probe 2 heating circuit interruption and wait then load signal from alternator terminal df, open or short to b+ will delay your vw fault. |
28426 Possible Causes:
28426 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 28426 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns