VW Code 04787
04787 Description And Summary : |
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Staring in engine oxygen (lambda) sensor b3 s1, heater return coupling the system depends on oil pressure to switch between cam profiles system too lean at higher load, bank 1 and wait then exhaust bank 4 mixture adaptation range 3, lean limit not reached is the final reason of the code. |
04787 Possible Causes:
04787 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04787 Code
- Inspect all the connections tiptronic switch down, circuit 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