Turbo Underboost
Can I Drive?
Short Distances Only
DIY Difficulty
advanced
Estimated Cost
$300-$3,500
What does POWERSTROKE-P0299-64 mean?
The POWERSTROKE-P0299-64 (Power Stroke) diesel fault code means: Turbo Underboost. This is a serious severity code.
Common Symptoms
- Limp mode
- CEL
Probable Causes (Ranked by Likelihood)
- Twin turbo staging fault Likely
- Stuck VGT vanes Likely
Step-by-Step Diagnostic Procedure
Pressure test CAC.
Inspect turbos.
Frequently Asked Questions
What is P0299 on a 6.4L Power Stroke?
P0299 on a 6.4L Power Stroke (2008-2010) indicates: Turbo Underboost. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P0299 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 P0299?
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.