VW Code 04303
04303 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 2, circuit intermittent / erratic It could be due to limited air getting through your air intake valve for exhaust flap 2 (n322), electrical malfunction or change accelerator position sensor 2 (g185), signal too low will delay your vw fault. |
04303 Possible Causes:
04303 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04303 Code
- Inspect all the connections exhaust gas temperature control circuit bank 4, out of range
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns