← View Generic P0372 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0372: P0372: Ignition System Misfire

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 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 P0372 Mean on 2021 Honda PASSPORT?

A misfire in one or more cylinders is detected, affecting combustion efficiency. This code is often caused by ignition system issues, such as faulty spark plugs, ignition coils, or ignition module.
⚠️

Symptoms

  • • Rough engine idle
  • • decreased power
  • • decreased fuel efficiency
  • • engine misfires
  • • and illuminated check engine light.
🔍

Common Causes

  • • Faulty spark plugs
  • • ignition coils
  • • ignition module
  • • faulty fuel injectors
  • • vacuum leaks
  • • and worn piston rings.
🛠️

How to Fix P0372 on 2021 Honda PASSPORT

1. Check and replace spark plugs if necessary. 2. Inspect and replace ignition coils if necessary. 3. Check and replace ignition module if necessary. 4. Inspect and replace fuel injectors if necessary. 5. Check for vacuum leaks and repair if necessary. 6. Check for worn piston rings and replace if necessary.

🔧

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

spark plugs Shop ↗ ignition coils Shop ↗ ignition module Shop ↗ fuel injectors Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with P0372

P0370 Sequential Code

P0370: Ignition System Misfire

Medium
P0371 Sequential Code

P0371: Ignition System Misfire

Medium
P0373 Sequential Code

P0373: Ignition System Misfire

Medium
P0374 Sequential Code

P0374: Ignition System Misfire

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