← Back to Search Severity: Medium

P0167

P0167: Fuel Pressure Regulator Circuit Low Input

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Powertrain
System

📖 What Does P0167 Mean?

The fuel pressure regulator circuit low input indicates that the fuel pressure regulator is not receiving the correct input signal from the engine control module, which can cause issues with fuel delivery and engine performance.
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Symptoms

  • Poor engine performance
  • rough idle
  • decreased fuel efficiency
  • engine stalling
  • and decreased power
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Common Causes

  • Faulty fuel pressure regulator
  • clogged fuel filter
  • faulty fuel pump
  • or a problem with the fuel pressure regulator circuit
Fix Guide
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Possible Solutions

1. Check the fuel pressure regulator circuit for any signs of damage or corrosion. 2. Test the fuel pressure regulator to ensure it's functioning properly. 3. Replace the fuel pressure regulator if necessary. 4. Check and replace the fuel filter if it's clogged. 5. Test the fuel pump to ensure it's functioning properly.

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Common Questions About P0167

Q

Can I drive with code P0167?

A

You can drive for a short time, but should address code P0167 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix P0167?

A

The estimated repair cost for code P0167 is between $100 and $500. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Complex codes like P0167 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with P0167

💡 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