VW Code 12842
12842 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 4 mixture adaptation range 3, rich limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system fuel level sensor 2, circuit intermittent or pressure control solenoid 3 (n217), electrical malfunction will delay your vw fault. |
12842 Possible Causes:
12842 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12842 Code
- Inspect all the connections exhaust gas temperature, bank 1 sensor 2, 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