← View Generic P0443 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0443: Evaporative Emission Control System Purge Control Valve Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$20 - $200
Parts & Labor
Difficulty
2/5
30 mins - 2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0443 Mean on 2021 Honda PASSPORT?

The EVAP purge valve that controls fuel vapor flow from the charcoal canister has an electrical problem.
⚠️

Symptoms

  • • Check engine light
  • • failed emissions test
  • • fuel odor
  • • poor fuel economy.
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Common Causes

  • • Faulty EVAP purge valve
  • • wiring problems to purge valve
  • • poor electrical connections
  • • valve stuck open or closed.
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How to Fix P0443 on 2021 Honda PASSPORT

Replace EVAP purge valve, repair wiring to valve, clean electrical connections, test valve operation.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Gas Cap Shop ↗ EVAP Purge Valve Shop ↗ EVAP Canister Shop ↗ Vacuum Hoses Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0443

P0440 Same System

Evaporative Emission Control System Malfunction

Low
P0441 Same System

P0441: Evaporative Emission Control System Malfunction

Medium
P0442 Same System

EVAP System Leak Detected Small Leak

Low
P0446 Same System

Evaporative Emission Control System Vent Control Circuit Malfunction

Medium
P0455 Related Problem

EVAP System Leak Detected Large Leak

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system