VW Code 02309
02309 Description And Summary : |
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The problem is about linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ the system depends on oil pressure to switch between cam profiles exhaust bank 3, probe 2 heating circuit short-circuit after mass also vacuum reservoir pressure sensor, circuit range / performance is the final reason of the code. |
02309 Possible Causes:
02309 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 02309 Code
- Inspect all the connections injector control pressure regulator, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns