POWERSTROKE-P20F7 serious Power Stroke ›

SCR Temperature Too Low

The POWERSTROKE-P20F7 (Power Stroke) diesel fault code means: SCR Temperature Too Low. This is a serious severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
intermediate
Estimated cost
$0-$500
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Common Symptoms

  • CEL

Probable Causes (Ranked by Likelihood)

  • Short-trip driving Likely
  • Failed SCR temp sensor Likely

Frequently Asked Questions

What is P20F7 on a 6.7L Power Stroke (Scorpion)?

P20F7 on a 6.7L Power Stroke (Scorpion) (2011-present) indicates: SCR Temperature Too Low. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.

Can I drive with P20F7 on my Power Stroke?

Yes, you can generally drive with this code, but diagnose it soon to prevent further damage.

How much does it cost to fix P20F7?

Repair cost is typically $0-$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

Step-by-Step Diagnostic Procedure

  1. Highway drive.

  2. Replace sensor if needed.

Sources 1

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

  • SAE J2012Diagnostic Trouble Code Definitions (defines P20F7 as a generic OBD-II code)

Commonly Affected Vehicles

  • 2011-present Ford F-250 Super Duty 6.7L Power Stroke
  • 2011-present Ford F-350 Super Duty 6.7L Power Stroke
  • 2011-present Ford F-450/F-550 Super Duty 6.7L Power Stroke
  • 2015-2019 Ford F-650/F-750 6.7L Power Stroke

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