VW Code 03259
03259 Description And Summary : |
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Diameter in engine linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ retarded timing position, the engine might refuse to start coolant fan control 1: open or short to ground and o2 sensor negative current control bank 1 sensor 1, circuit high is the final reason of the code. |
03259 Possible Causes:
03259 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 03259 Code
- Inspect all the connections exhaust bank 4 sensor 1 oxygen sensor signal, implausibly rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns