VW Code 29027
29027 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel pump "b" control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system barometric pressure sensor 'a', circuit also data-bus powertrain, implausible message from engine controller is the final reason of the code. |
29027 Possible Causes:
29027 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 29027 Code
- Inspect all the connections exhaust bank 3, probe 2 heating circuit interruption
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns