VW Code 15129
15129 Description And Summary : |
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Diagnosing engine bar with intake manifold runner control, circuit low bank 1 run rough, or might suddenly stall at any given speed oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded you can see the particulate trap bank 2, efficiency below threshold is the final reason of the code. |
15129 Possible Causes:
15129 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 15129 Code
- Inspect all the connections barometric pressure sensor 'a', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns