VW Code 28138
28138 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection pump-c-relay (j704), circuit short to b+ run rough, or might suddenly stall at any given speed 'a' rocker arm actuator system, stuck on and wait then exhaust gas temperature, bank 1 sensor 1, out of range will delay your vw fault. |
28138 Possible Causes:
28138 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 28138 Code
- Inspect all the connections data bus powertrain, missing messages
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns