← Back to Search Severity: Medium

P0157

Fuel and Air Metering Code P0157

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 P0157 Mean?

Diagnostic trouble code related to fuel delivery and air intake system performance.

⚠️

Symptoms

Poor fuel economy, rough idle, hesitation, stalling, hard starting.

🔍

Common Causes

Dirty air filter, faulty MAF sensor, fuel pump issues, clogged injectors, vacuum leaks.

🛠️

Possible Solutions

Replace air filter, clean MAF sensor, test fuel pump, clean injectors, repair vacuum leaks.

🛒

Recommended Parts & Tools

Find the right parts for your P0157 repair on Amazon

💡 Pro Tip: Always verify part compatibility with your specific vehicle year, make, and model before purchasing.

As an Amazon Associate, CarMedic earns from qualifying purchases. This helps us maintain our free diagnostic database.

Frequently Asked Questions about P0157

How serious is P0157?

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

Can I drive with P0157?

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

How much does it cost to fix P0157?

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

🔗

Related Diagnostic Codes

Other codes that may appear with P0157

💡 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