VW Code 03186
03186 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection valve 4 (n385), circuit open circuit causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit or change wheel speed signal 1, range / performance will delay your vw fault. |
03186 Possible Causes:
03186 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 03186 Code
- Inspect all the connections ignition coil 'f' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns