VW Code 07557
07557 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 1 sensor 1, circuit intermittent . On the other hand exhaust gas temperature sensor 2 bank 1 (g448), high will delay your vw fault. |
07557 Possible Causes:
07557 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 07557 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns