P0459 SUBARU - EVAP System Purge Control Valve Circuit High
P0459 SUBARU Possible Causes
- Faulty Evaporative Emission (EVAP) Purge Solenoid Control
- Fualty Engine Control Module (ECM)
- Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
- Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection
First diagnose P0459 SUBARU code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
P0459 SUBARU Tech NotesOn some Subaru model replacing the PCV valve takes care of the P0459. If the problem persists the Engine Control Module (ECM) may need to be replace.
Cost of diagnosing the P0459 SUBARU code
Labor: 1.0The cost of diagnosing the P0459 SUBARU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the P0459 SUBARU code detected?The Engine Control Module (ECM) has detected a high voltage on the canister purge solenoid with the driver commanded on
P0459 SUBARU Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0459 Subaru DescriptionThe Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
P0459 SUBARU More InformationNeed more information on how to fix the P0459 SUBARU code?
Get Access to Factory Service Manuals
Need more help?Get the P0459 Subaru code diagnosed by a professional: Find a repair shop in your area
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