Fuel Rail Pressure Too High
The MAXXFORCE-P0088-11 (MaxxForce) diesel fault code means: Fuel Rail Pressure Too High. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- advanced
- Estimated cost
- $300-$1,500
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View pilot availability →What Are the Symptoms of MAXXFORCE-P0088-11?
- Rough idle
- Black smoke
- CEL
What Causes MAXXFORCE-P0088-11? (Most Likely First)
- Failed pressure regulator valve Likely
- Stuck injector Possible
Can I Still Drive with MAXXFORCE-P0088-11?
Short distances only. MAXXFORCE-P0088-11 is rated critical severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is P0088 on a MaxxForce 11 (10.5L)?
P0088 on a MaxxForce 11 (10.5L) (2008-2014) indicates: Fuel Rail Pressure Too High. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0088 on my MaxxForce?
Only drive short distances to reach a repair facility. Continued operation may cause further damage or progressive derate.
How much does it cost to fix MaxxForce P0088?
Repair cost is typically $300-$1,500 depending on the underlying cause and shop rate. Many MaxxForce faults (especially EGR cooler, head bolt, and VGT repairs) are major expenses that drove fleet owners to repower with Cummins or retire these trucks early.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose MAXXFORCE-P0088-11?
Command pressure regulator sweep.
Replace PRV on HP pump outlet.
Which Vehicles Commonly Get MAXXFORCE-P0088-11?
- International ProStar MaxxForce 11
- International TranStar 8600 MaxxForce 11
- International PayStar 5900 MaxxForce 11
- International WorkStar 7600 MaxxForce 11
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