Subaru OBD-II 1996 & Newer models DTC P1087 – Tumble generator valve #2 (LH) position sensor circuit high input
DTC P1087 meaning on Subaru OBD-II 1996 & Newer models
DTC P1087 indicates a high 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 P1087 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance or power
- Possible rough idling or stalling
Subaru OBD-II 1996 & Newer models DTC P1087 causes
- Faulty tumble generator valve #2 (LH) position sensor
- Wiring or connector issues in the sensor circuit
- ECU (Engine Control Unit) malfunction
Subaru OBD-II 1996 & Newer models DTC P1087 seriousness
The seriousness of DTC P1087 lies in its potential to affect engine performance and emissions. Ignoring this code may lead to further engine issues and increased emissions output.
How to diagnose DTC P1087 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the specific fault code
- Inspect the tumble generator valve #2 (LH) position sensor and its wiring for any visible damage
- Check the sensor’s resistance and voltage values according to manufacturer specifications
- Test the ECU for proper functionality
How to fix DTC P1087 on Subaru OBD-II 1996 & Newer models
- Replace the faulty tumble generator valve #2 (LH) position sensor
- Repair or replace any damaged wiring or connectors in the sensor circuit
- If the ECU is determined to be faulty, it may need to be reprogrammed or replaced
How to erase DTC P1087 on Subaru OBD-II 1996 & Newer models
To clear the DTC P1087 code from the ECU, you can use an OBD-II scanner to reset the codes. Ensure that the underlying issue causing the fault code has been addressed before clearing the code.
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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