← View Generic P0175 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0175: System Too Rich Bank 2

on 2021 Honda PASSPORT

Fix Cost
$30 - $300
Parts & Labor
Difficulty
3/5
1-3 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 P0175 Mean on 2021 Honda PASSPORT?

The engine is running with too much fuel and not enough air on bank 2. Similar to P0172 but affects the second bank of cylinders.
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Symptoms

  • • Black smoke from exhaust
  • • strong fuel odor
  • • poor fuel economy
  • • rough idle
  • • fouled spark plugs
  • • check engine light.
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Common Causes

  • • Faulty oxygen sensors on bank 2
  • • leaking fuel injectors
  • • high fuel pressure
  • • dirty air filter
  • • faulty mass airflow sensor.
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How to Fix P0175 on 2021 Honda PASSPORT

Replace faulty oxygen sensors on bank 2, clean or replace fuel injectors, check fuel pressure regulator, replace air filter.

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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

MAF Sensor Shop ↗ Fuel Filter Shop ↗ Vacuum Hoses Shop ↗ Fuel Injector Cleaner Shop ↗

Essential Tool

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0175

P0172 Same System

System Too Rich Bank 1

Medium
P0420 Related Problem

Catalyst System Efficiency Below Threshold Bank 1

Medium
P0430 Related Problem

Catalyst System Efficiency Below Threshold Bank 2

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