Back to 2019 Mazda MX-5 Miata

2019 MAZDA MX-5 MIATA

2.0L I4RWDMANUALgas
Repairs0Labor520Torque6066Fluid7DTC919Battery0Maintenance0Recalls0
P0449low severityPowertrain

EVAP Vent Valve/Solenoid Circuit

on 2019 Mazda MX-5 Miata 2.0L I4 · RWD

What this code means

Malfunction in the EVAP vent solenoid circuit.

Symptoms

  • Check Engine Light

Common causes

  • Faulty vent solenoid
  • Wiring damage
  • Corroded connector

Diagnostic steps

  1. Test solenoid resistance
  2. Check wiring
  3. Command solenoid with scan tool

Repair notes

Replace vent solenoid.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →