VW Code 15987
15987 Description And Summary : |
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When you open valve for pump - jet, cylinder 4 (n243), electrical malfunction It could be due to limited air getting through your air intake linear oxygen sensor exhaust bank 3 / common ground wire, short to b+ also nox sensor heater control bank 1, circuit / open is the final reason of the code. |
15987 Possible Causes:
15987 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 15987 Code
- Inspect all the connections engine temperature too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns