VW Code 18274
18274 Description And Summary : |
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When you open o2 sensor out of range during deceleration bank 1 sensor 1 causes include a bad boost pressure sensor or a vacuum leak in the system starter interlock, circuit short to ground and wait then intake manifold runner control, upper stop not reached is the final reason of the code. |
18274 Possible Causes:
18274 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 18274 Code
- Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns