What causes P1420 on a Toyota?

Aging fuel cap gasket Pinhole in a canister hose Seeping canister seam Purge or vent valve not fully sealing Filler neck surface rust breaking the seal

How do I fix P1420 on a Toyota?

Inspect and reseat or replace the fuel cap Smoke test the EVAP system Test purge and vent valve sealing Check the filler neck sealing surface Replace the leaking component found

P1420 EVAP Canister Small Leak

Q: What does P1420 mean on a Toyota?

P1420 — EVAP Canister Small Leak. Applies to Camry, Corolla, RAV4, Tacoma.

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: Camry, Corolla, RAV4, Tacoma

What does P1420 mean on a Toyota?

P1420 — EVAP Canister Small Leak. This Toyota-enhanced code applies to Camry, Corolla, RAV4, Tacoma.

Common causes of P1420

Aging fuel cap gasket
Pinhole in a canister hose
Seeping canister seam
Purge or vent valve not fully sealing
Filler neck surface rust breaking the seal

How to fix P1420

Inspect and reseat or replace the fuel cap
Smoke test the EVAP system
Test purge and vent valve sealing
Check the filler neck sealing surface
Replace the leaking component found