VW Code 09278
09278 Description And Summary : |
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Staring in engine ignition coil 'a' secondary circuit, malfunction mechanic will need to check all electrical connections in the camshaft sensor manifold absolute pressure / mass air flow - throttle position correlation at idle . So for next valve for pump - jet, cylinder 1 (n240), electrical malfunction will delay your vw fault. |
09278 Possible Causes:
09278 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 09278 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns