VW Code 29638
29638 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel mixture control adjustment range 1, lower limit not reached to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor, bank 1 sensor 5, circuit range / performance you can see the oxygen (lambda) sensor b1 s1, pump current, short to ground will delay your vw fault. |
29638 Possible Causes:
29638 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 29638 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, internal resistance too large
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns