← Back to Search Severity: Medium

P0150

Oxygen Sensor Circuit Malfunction Bank 2 Sensor 1

Fix Cost
$50 - $250
Est. parts cost
Labor Cost
$75 - $200
Mechanic rates
Difficulty
2/5
Medium
30 mins - 1 hour
DIY Fix?
✅ Yes
Can fix at home

📖 What Does P0150 Mean?

The upstream oxygen sensor on bank 2 is not functioning properly. This applies to V6/V8 engines.

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Symptoms

Poor fuel economy, rough idle, failed emissions test, check engine light on bank 2 side.

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Common Causes

Faulty oxygen sensor on bank 2, damaged wiring, exhaust leaks, contaminated sensor.

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Possible Solutions

Replace upstream oxygen sensor on bank 2, repair wiring, fix exhaust leaks, clean connections.

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Recommended Parts & Tools

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Frequently Asked Questions about P0150

How serious is P0150?

This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.

Can I drive with P0150?

You can typically drive short distances, but have it diagnosed as soon as possible.

How much does it cost to fix P0150?

Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.

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Related Diagnostic Codes

Other codes that may appear with P0150

💡 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