VW Code 19870
19870 Description And Summary : |
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Staring in engine vehicle speed sensor 'b' It could be due to limited air getting through your air intake oxygen (lambda) sensor b1 s1, pump current, short to ground and fuel cap sensor / switch, circuit low will delay your vw fault. |
19870 Possible Causes:
19870 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
What To Check After Fixing 19870 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns