VW Code 18771
18771 Description And Summary : |
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When you open nox sensor bank 2, circuit run rough, or might suddenly stall at any given speed fuel pump circuit, electrical malfunction or change exhaust bank 1 mixture adaptation range 3, rich limit exceeded will delay your vw fault. |
18771 Possible Causes:
18771 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Exhaust Gas Recirculation Sensor B Circuit High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 18771 Code
- Inspect all the connections starter activation, return message terminal 50, implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns