P2421 — Evaporative Emission System Vent Valve Stuck Open

Powertrain (engine/transmission)

Evaporative Emission System Vent Valve Stuck Open

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Can I drive with P2421?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P2421 mean?

P2421 means Evaporative Emission System Vent Valve Stuck Open.

Can I keep driving with P2421?

You can usually drive home and book an inspection within a few days.

Related fault codes

  • P2420 — Evaporative Emission System Switching Valve Control Circuit High
  • P2422 — Evaporative Emission System Vent Valve Stuck Closed
  • P2425 — Exhaust Gas Recirculation Cooling Valve Control Circuit/Open
  • P2426 — Exhaust Gas Recirculation Cooling Valve Control Circuit Low
  • P2427 — Exhaust Gas Recirculation Cooling Valve Control Circuit High
  • P2428 — Exhaust Gas Temperature Too High (Bank 1)
  • P2429 — Exhaust Gas Temperature Too High (Bank 2)

Get a full diagnosis for P2421 with AutoUncover.