VW Code 00493
00493 Description And Summary : |
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When you open engine speed input, circuit error message from engine contr. to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for exhaust flap 1 (n321), electrical malfunction you can see the catalyst system exhaust bank 3, effectiveness too low is the final reason of the code. |
00493 Possible Causes:
00493 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 00493 Code
- Inspect all the connections ignition coil cylinder 16, high circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns