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P1448

EVAP Canister Vent Control Valve Open

1990-1997 Nissan Pickup D21 2.4L I4 KA24E

Low SeverityPowertrain

Description

EVAP vent valve stuck open; system cannot seal for leak testing.

Symptoms

  • CEL
  • Failed emissions
  • EVAP monitor won't complete

Common Causes

  • Faulty vent valve stuck open
  • Canister liner failure
  • Damaged wiring
  • Corroded pins

Diagnostic Steps

  1. Test vent valve
  2. Inspect canister
  3. Check wiring
  4. Test with scan tool

Repair Notes

Replace vent control valve.

Other Powertrain Codes

P1448 on Other Vehicles

Common Questions

What does code P1448 mean on a 1990-1997 Nissan Pickup D21?

P1448 stands for "EVAP Canister Vent Control Valve Open". EVAP vent valve stuck open; system cannot seal for leak testing.

What are the symptoms of P1448 on a Nissan Pickup D21?

Common symptoms of P1448 include: CEL, Failed emissions, EVAP monitor won't complete.

What causes P1448 on a 1990-1997 Nissan Pickup D21?

Common causes of P1448 include: Faulty vent valve stuck open, Canister liner failure, Damaged wiring, Corroded pins.

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