VW Code 13726
13726 Description And Summary : |
---|
The instrument cluster alerts the driver to the fault exhaust bank 2 sensor 1 oxygen sensor signal, implausibly lean causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1 heater circuit, internal resistance too large . So for next oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded will delay your vw fault. |
13726 Possible Causes:
13726 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 13726 Code
- Inspect all the connections fuel cap sensor / switch, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns