Honda Error Code P1168: How to Fix It
Medium 45-90 minutes Low Severity
Verified June 2026
- Error Code
- P1168
- Brand
- Honda
- Product Type
- automotive
- Severity
- Low
- DIY Difficulty
- Medium
- Estimated Fix Time
- 45-90 minutes
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Tools You'll Need
- OBD2 scanner
- Digital multimeter
- Basic hand tools
- Honda service manual
- Wire strippers (if wire repair needed)
How to Fix Error Code P1168
-
Scan for additional codes
Ensure the engine is off and cool before connecting the OBD2 scanner. -
Locate Bank 1 oxygen sensors
Allow the engine to cool completely before working on oxygen sensors to prevent burns. -
Inspect sensor wiring harnesses
-
Verify sensor connector positions
Do not force connectors if they don't fit easily - this indicates incorrect placement. -
Check wiring continuity
Disconnect the battery before performing continuity tests to prevent electrical damage. -
Clear codes and test drive
Parts You May Need
Oxygen sensor upstream
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Oxygen sensor downstream
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Wiring harness repair kit
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Electrical connector
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Oxygen sensor upstream
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Oxygen sensor downstream
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Wiring harness repair kit
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Electrical connector
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Oxygen sensor upstream
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Oxygen sensor downstream
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Wiring harness repair kit
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Electrical connector
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Oxygen sensor upstream
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Oxygen sensor downstream
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Wiring harness repair kit
Check Price on Amazon
Electrical connector
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Oxygen sensor upstream
Check Price on Amazon
Oxygen sensor downstream
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Electrical connector
Check Price on Amazon
Oxygen sensor upstream
Check Price on Amazon
Oxygen sensor downstream
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Electrical connector
Check Price on Amazon
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When to Call a Professional
Call a professional mechanic if you find damaged wiring that requires extensive repair, if the oxygen sensors themselves need replacement, or if the error code persists after correcting all visible wiring issues. Professional diagnosis may be needed to pinpoint ECM-level problems.Frequently Asked Questions
What causes Honda error code P1168?
Honda P1168 is caused by incorrectly connected or mislabeled oxygen sensor wiring in Bank 1. This can happen during previous repairs, sensor replacements, or due to damaged wiring harnesses that have been repaired incorrectly.
Can I drive with Honda P1168 error code?
Yes, you can drive with P1168 as it's a low severity code, but your engine may run less efficiently and fuel economy may suffer. The check engine light will remain on until the issue is resolved.
How much does it cost to fix Honda P1168?
If it's just crossed wiring, the fix can cost $100-200 for labor. If oxygen sensors need replacement, expect $200-400 per sensor including labor. Extensive wiring harness repair can cost $300-600 depending on the extent of damage.
Will Honda P1168 cause my car to fail emissions testing?
Yes, P1168 will likely cause your Honda to fail emissions testing because it affects the oxygen sensor system that monitors air-fuel mixture. The code must be resolved and the system must complete its readiness monitors before passing emissions.