POWERSTROKE-P2457 serious Power Stroke ›

EGR Cooling System Performance

The POWERSTROKE-P2457 (Power Stroke) diesel fault code means: EGR Cooling System Performance. This is a serious severity code.

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Keep driving?
Short distances only
DIY difficulty
advanced
Estimated cost
$300-$1,500
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What Are the Symptoms of POWERSTROKE-P2457?

  • CEL
  • Reduced EGR effectiveness

What Causes POWERSTROKE-P2457? (Most Likely First)

  • Plugged EGR cooler Likely
  • Failed EGR bypass valve Likely

Can I Still Drive with POWERSTROKE-P2457?

Short distances only. POWERSTROKE-P2457 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

What is P2457 on a 6.4L Power Stroke?

P2457 on a 6.4L Power Stroke (2008-2010) indicates: EGR Cooling System Performance. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.

Can I drive with P2457 on my Power Stroke?

Only drive short distances to get to a repair facility. Continued operation may cause further damage.

How much does it cost to fix P2457?

Repair cost is typically $300-$1,500 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose POWERSTROKE-P2457?

  1. Clean or replace EGR cooler.

  2. Test bypass actuator.

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines P2457 as a generic OBD-II code)

P2457 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for P2457

Which Vehicles Commonly Get POWERSTROKE-P2457?

  • 2008-2010 Ford F-250 Super Duty 6.4L Power Stroke
  • 2008-2010 Ford F-350 Super Duty 6.4L Power Stroke
  • 2008-2010 Ford F-450/F-550 Super Duty 6.4L Power Stroke

Explore More

More Power Stroke codes → Diesel home All diesel codes Heavy-duty Guides

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