Subaru OBD-II 1996 & Newer models DTC P1422 – EVAP Purge Control Valve Circuit High Input
DTC P1422 meaning on Subaru OBD-II 1996 & Newer models
DTC P1422 on Subaru OBD-II 1996 & Newer models indicates a high input signal detected in the EVAP Purge Control Valve circuit. This means that the Engine Control Module (ECM) has detected an electrical issue with the purge control valve circuit.
Subaru OBD-II 1996 & Newer models DTC P1422 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Decreased fuel efficiency
- Irregular engine idling
- Strong fuel odor near the vehicle
Subaru OBD-II 1996 & Newer models DTC P1422 causes
- Faulty EVAP Purge Control Valve
- Open or short circuit in the wiring connected to the purge control valve
- Corrosion or poor connections in the electrical system
Subaru OBD-II 1996 & Newer models DTC P1422 seriousness
The seriousness of DTC P1422 lies in its potential to affect the vehicle’s emissions control system. If left unresolved, it can lead to increased emissions, reduced fuel efficiency, and potential damage to other engine components over time.
How to diagnose DTC P1422 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble code and freeze frame data
- Inspect the EVAP Purge Control Valve and its wiring for any visible damage or corrosion
- Check the electrical connections and harness for proper continuity
How to fix DTC P1422 on Subaru OBD-II 1996 & Newer models
- Replace the faulty EVAP Purge Control Valve
- Repair or replace any damaged wiring or connectors in the circuit
- Clean or replace any corroded terminals
How to erase DTC P1422 on Subaru OBD-II 1996 & Newer models
To clear the DTC P1422 code from the ECM:
- Use an OBD-II scanner to access the ECM
- Select the option to clear the trouble codes
- Follow the on-screen prompts to confirm the code erasure
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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