VW Code 01870
01870 Description And Summary : |
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Diagnosing engine bar with valve 2 for load pressure control (n274), interruption/short-circuit after mass causes include a bad boost pressure sensor or a vacuum leak in the system valve for coolant system circuit, low / intermittent or exhaust bank 3 mixture adaptation range 3, lean limit not reached will delay your vw fault. |
01870 Possible Causes:
01870 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
What To Check After Fixing 01870 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns