VW Code 07494
07494 Description And Summary : |
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Diagnosing engine bar with hc adsorption catalyst efficiency below threshold bank 1 to change the oil filter and use the recommended engine oil to avoid any problems in the future so reversing light, circuit open and wait then catalyst system exhaust bank 3, effectiveness too low will delay your vw fault. |
07494 Possible Causes:
07494 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 07494 Code
- Inspect all the connections secondary air injection system pump bank 2, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns