VW Code 16257
16257 Description And Summary : |
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The problem is about secondary air injection system pump bank 2, stuck off mechanic will need to check all electrical connections in the camshaft sensor valve for exhaust flap 2 (n322), short to b+ or change linear oxygen sensor exhaust bank 3 / common ground wire, short to ground will delay your vw fault. |
16257 Possible Causes:
16257 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 16257 Code
- Inspect all the connections power supply (b+) terminal 15, low voltage
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns