Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHYUNDAI2005SANTA FE GLS, 2.7 D, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2.7L) (2 OF 2)DTC TROUBLESHOOTING PROCEDURESDTC P0456: EVAP EMISSION SYSTEM-LEAK DETECTED (VERY SMALL LEAK)PCSV TO CANISTER LINE INSPECTION
2005 Hyundai Santa Fe GLS, 2.7 D, AWD
PCSV To Canister Line Inspection
2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION PCSV To Canister Line Inspection
- Check for leakage in hose.
- Disconnect the hose leading from the canister to the PCSV at canister.
- Using a vacuum pump, apply specified vacuum [Approx. 10 cmHg (4 inHg)] to the manifold side of the valve and verify PCSV holds vacuum.
- Monitor vacuum pressure for 1 minute. After 1 minute, pressure should not drop more than 2 cmHg (0.8 inHg).
- Is pressure within specification?
YES
- Check for leakage in canister .
NO
- Check for cracks or damage in hose connecting PCSV and canister. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Check for leakage in canister.NOTE: Thoroughly check all fuel vapor hoses and hose clamps between:
- Canister and fuel tank.
- Canister and CCV.
- Canister and PCSV.
If NG, replace hose or clamps as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
If OK, go to next step.
- Disconnect hose clamps and remove canister assembly.
- Block the hose of between:
- Canister and fuel filler neck.
- Canister and CCV.
- Canister and PCSV.
- Apply maximum of 10 cmHg (4 inHg) pressure through fuel tank port from canister.
- With system sealed and pressurized, check for leaks.
- Were any leak(s) found?
YES
- Repair or replace leaking system component(s) and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "FUEL TANK LINE INSPECTION " procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.