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2017 LINCOLN CONTINENTAL
3.7L V6•FWD•AUTOMATIC•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor490Torque5205Fluid7DTC1154Battery1Maintenance0Recalls4
P1443moderate severityPowertrain

EVAP System Control Valve Malfunction

on 2017 Lincoln Continental 3.7L V6 · FWD

What this code means

The Evaporative Emission Control System purge control valve has a malfunction, showing low or no flow. The EVAP canister purge solenoid is not operating correctly, which can allow fuel vapors to escape or cause driveability issues.

Symptoms

  • Check Engine Light
  • Decreased fuel efficiency
  • Fuel odor
  • Rough or erratic idle (if valve stuck open)
  • Failed emissions test

Common causes

  • Faulty purge valve/solenoid (stuck open or closed)
  • Damaged or clogged vacuum lines
  • Defective charcoal canister
  • Wiring issue to purge solenoid
  • Clogged hose between purge valve and fuel tank

Diagnostic steps

  1. Command purge solenoid open/closed with scan tool and verify operation
  2. Test purge solenoid resistance
  3. Inspect vacuum lines for cracks or blockages
  4. Use smoke machine to check EVAP system for leaks
  5. Check for blockages between fuel tank and canister

Repair notes

Replace purge valve solenoid. Repair damaged vacuum lines. Replace charcoal canister if contaminated.

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