VW Code 09551
09551 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b2 s3, signal shorted to heater circuit causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emission system vent (n115), valve stuck open and throttle control: airflow at idle too low is the final reason of the code. |
09551 Possible Causes:
09551 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 09551 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns