Subaru OBD-II 1996 & Newer models DTC P1086 – Tumble generator valve #2 (LH) position sensor circuit low input
DTC P1086 meaning on Subaru OBD-II 1996 & Newer models
DTC P1086 indicates a low input signal from the tumble generator valve #2 (LH) position sensor circuit in Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1086 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Possible engine stalling or rough idling
Subaru OBD-II 1996 & Newer models DTC P1086 causes
- Faulty tumble generator valve #2 (LH) position sensor
- Open or short circuit in the sensor wiring
- Corrosion or poor connections in the sensor circuit
Subaru OBD-II 1996 & Newer models DTC P1086 seriousness
The seriousness of DTC P1086 lies in the potential for engine performance issues and the risk of engine stalling, which can affect the drivability and safety of the vehicle.
How to diagnose DTC P1086 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the tumble generator valve #2 (LH) position sensor and its wiring for any visible damage or corrosion
- Perform continuity and resistance tests on the sensor circuit to identify any faults
How to fix DTC P1086 on Subaru OBD-II 1996 & Newer models
- Replace the faulty tumble generator valve #2 (LH) position sensor
- Repair any open or short circuits in the sensor wiring
- Clean or repair any corroded connections in the sensor circuit
How to erase DTC P1086 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the fault code and reset the Check Engine Light
- Ensure that the underlying issue causing DTC P1086 has been resolved before clearing the code
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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