Turbo Underboost
Can I Drive?
Short Distances Only
DIY Difficulty
intermediate
Estimated Cost
$100-$1,500
What does POWERSTROKE-P0299-73 mean?
The POWERSTROKE-P0299-73 (Power Stroke) diesel fault code means: Turbo Underboost. This is a serious severity code.
Common Symptoms
- Low power
- CEL
Probable Causes (Ranked by Likelihood)
- Cracked up-pipes Likely
- Blown intercooler boot Likely
- Failed wastegate Likely
Step-by-Step Diagnostic Procedure
Smoke test.
Pressure test CAC.
Frequently Asked Questions
What is P0299 on a 7.3L Power Stroke?
P0299 on a 7.3L Power Stroke (1994-2003) 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 $100-$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.