VW Code 09525
09525 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 1, circuit causes include a bad boost pressure sensor or a vacuum leak in the system charge pressure fan relay (j712), open and wait then data bus powertrain, missing message from diagnostic interface-control module will delay your vw fault. |
09525 Possible Causes:
09525 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 09525 Code
- Inspect all the connections exhaust bank 4 mixture adaptation range 3, lean limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns