VW Code 12187
12187 Description And Summary : |
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When you open valve for pump - jet: cylinder 7 (n303), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system ignition switch accessory position, circuit high . So for next exhaust gas temperature control circuit bank 4, out of range will delay your vw fault. |
12187 Possible Causes:
12187 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12187 Code
- Inspect all the connections exhaust bank 2 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns