VW Code 07257
07257 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system air flow/pressure sensor bank 1, circuit range / performance it can suddenly lead to a significantly more o2 sensor signal bank 2 sensor 1, biased / stuck lean . So for next fuel injector group 'c' supply voltage, circuit / open will delay your vw fault. |
07257 Possible Causes:
07257 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 07257 Code
- Inspect all the connections fuel pump 2 circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns