EGR 'A' Cooler Efficiency Below Threshold
The POWERSTROKE-P246A (Power Stroke) diesel fault code means: EGR 'A' Cooler Efficiency Below Threshold. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- advanced
- Estimated cost
- $400-$1,800
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Common Symptoms
- CEL
Probable Causes (Ranked by Likelihood)
- Plugged EGR cooler Likely
- Cracked EGR cooler (6.4L issue) Likely
Step-by-Step Diagnostic Procedure
Inspect EGR cooler.
Replace if cracked or plugged.
Frequently Asked Questions
What is P246A on a 6.4L Power Stroke?
P246A on a 6.4L Power Stroke (2008-2010) indicates: EGR 'A' Cooler Efficiency Below Threshold. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P246A 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 P246A?
Repair cost is typically $400-$1,800 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.