← View Generic P0311 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0311: Cylinder 11 Misfire Detected

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
Parts & Labor
Difficulty
4/5
2-4 hours
DIY Possible?
❌ No
Pro recommended
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 P0311 Mean on 2021 Honda PASSPORT?

Engine misfire detected in one or more cylinders affecting combustion efficiency.
⚠️

Symptoms

  • • Rough idle
  • • engine shaking
  • • loss of power
  • • flashing check engine light
  • • poor fuel economy.
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Common Causes

  • • Faulty spark plugs
  • • ignition coils
  • • fuel injectors
  • • compression issues
  • • vacuum leaks.
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How to Fix P0311 on 2021 Honda PASSPORT

Replace spark plugs and coils, clean fuel injectors, check compression, repair vacuum leaks.

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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

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Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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Related Diagnostic Codes

Other codes that may appear with P0311

P0309 Sequential Code

Cylinder 9 Misfire Detected

High
P0310 Sequential Code

Cylinder 10 Misfire Detected

High
P0312 Sequential Code

Cylinder 12 Misfire Detected

High
P0313 Sequential Code

P0313: 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