← View Generic P0376 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P0376: P0376: 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 P0376 Mean on 2021 Honda PASSPORT?
A misfire detected in one or more cylinders, which can affect engine performance, fuel efficiency, and emissions.
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Symptoms
- • Rough idling
- • decreased power
- • poor fuel economy
- • engine knocking or pinging
- • and illuminated check engine light.
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Common Causes
- • Faulty spark plugs
- • ignition coils
- • fuel injectors
- • or ignition module
- • as well as vacuum leaks
- • worn piston rings
- • or low compression.
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How to Fix P0376 on 2021 Honda PASSPORT
Replace spark plugs, ignition coils, or fuel injectors as needed. Check and repair vacuum leaks. Check compression and piston rings. Rebuild or replace the ignition module if necessary.
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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 SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P0376
P0374
Sequential Code
P0374: Ignition System Misfire
Medium
P0375
Sequential Code
P0375: Ignition System Misfire
Medium
P0377
Sequential Code
P0377: Ignition System Misfire
Medium
P0378
Sequential Code
P0378: 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