← Back to Search Severity: Medium

P1457

P1457: Fuel Pressure Regulator Control Circuit Low Input

Fix Cost
$150 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Powertrain
System

📖 What Does P1457 Mean?

The fuel pressure regulator control circuit low input is detected, which may indicate a faulty fuel pressure regulator or a wiring issue. (Toyota)
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Symptoms

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

  • Faulty fuel pressure regulator
  • clogged fuel filter
  • low fuel pressure
  • or wiring issue
Fix Guide
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Possible Solutions

Replace the fuel pressure regulator, check and clean the fuel filter, and inspect the fuel pressure regulator circuit for any damage or corrosion

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Common Questions About P1457

Q

Can I drive with code P1457?

A

You can drive for a short time, but should address code P1457 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix P1457?

A

The estimated repair cost for code P1457 is between $150 and $300. 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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Need a Pro?

Complex codes like P1457 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with P1457

💡 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