DPF Exhaust Back Pressure Too High
The POWERSTROKE-P244B (Power Stroke) diesel fault code means: DPF Exhaust Back Pressure Too High. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- advanced
- Estimated cost
- $300-$3,500
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Common Symptoms
- Limp mode
- CEL
- High EGT warning
Probable Causes (Ranked by Likelihood)
- Plugged DPF Very Likely
- Failed EBP sensor Likely
- Failed/stuck turbo causing false back pressure reading Possible
Frequently Asked Questions
What is P244B on a 6.4L Power Stroke?
P244B on a 6.4L Power Stroke (2008-2010) indicates: DPF Exhaust Back Pressure Too High. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P244B 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 P244B?
Repair cost is typically $300-$3,500 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
Monitor EBP sensor PID vs physical gauge at WOT.
Perform DPF regen attempt.
If EBP climbs quickly during regen, DPF is shot.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P244B as a generic OBD-II code)
P244B on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
Commonly Affected Vehicles
- 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
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