Low Pressure Fuel System Pressure - Too High
The POWERSTROKE-P008B (Power Stroke) diesel fault code means: Low Pressure Fuel System Pressure - Too High. This is a moderate severity code.
Unverified. We could not confirm this code's definition against freely available manufacturer documentation, so treat the meaning, severity and fix guidance on this page as unconfirmed. Check it against the manufacturer's service information for your exact model and serial range before acting on it. This page is kept out of search engines for that reason, and we are working through this family manual by manual.
- Keep driving?
- Short distances only
- DIY difficulty
- intermediate
- Estimated cost
- $150-$800
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View pilot availability →What Are the Symptoms of POWERSTROKE-P008B?
- CEL
- Reduced power
What Causes POWERSTROKE-P008B? (Most Likely First)
- Stuck lift pump regulator Likely
- Pinched return line Possible
Can I Still Drive with POWERSTROKE-P008B?
Short distances only. POWERSTROKE-P008B is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is P008B on a 6.7L Power Stroke (Scorpion)?
P008B on a 6.7L Power Stroke (Scorpion) (2011-present) indicates: Low Pressure Fuel System 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 P008B 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 P008B?
Repair cost is typically $150-$800 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-P008B?
Check lift pump commanded vs actual pressure.
Inspect return lines for kinks or restrictions.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P008B as a generic OBD-II code)
P008B on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
Which Vehicles Commonly Get POWERSTROKE-P008B?
- 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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