← View Generic P0329 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0329: P0329: 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

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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 P0329 Mean on 2021 Honda PASSPORT?

A misfire detected in one or more cylinders, which can cause decreased engine performance, rough idling, and decreased fuel efficiency.

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Symptoms

• Rough idling
• decreased engine performance
• decreased fuel efficiency
• engine light on

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Common Causes

• Faulty spark plug
• ignition coil
• fuel injector
• or vacuum leak

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How to Fix P0329 on 2021 Honda PASSPORT

1. Check and replace spark plugs, ignition coils, and fuel injectors as needed. 2. Inspect and repair vacuum leaks. 3. Check and adjust ignition timing.

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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

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

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Related Diagnostic Codes

Other codes that may appear with P0329

P0327 Sequential Code

💡 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