Fuel Rail Pressure Too Low
The MAXXFORCE-P0087-11 (MaxxForce) diesel fault code means: Fuel Rail Pressure Too Low. This is a critical severity code.
- Keep driving?
- No — stop driving
- DIY difficulty
- advanced
- Estimated cost
- $400-$4,500
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View pilot availability →What Are the Symptoms of MAXXFORCE-P0087-11?
- No start
- Derate under load
- CEL
What Causes MAXXFORCE-P0087-11? (Most Likely First)
- Failed high-pressure pump Likely
- Plugged fuel filter Likely
- Injector return leak Possible
Can I Still Drive with MAXXFORCE-P0087-11?
No — stop driving. MAXXFORCE-P0087-11 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.
Frequently Asked Questions
What is P0087 on a MaxxForce 11 (10.5L)?
P0087 on a MaxxForce 11 (10.5L) (2008-2014) indicates: Fuel Rail Pressure Too Low. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0087 on my MaxxForce?
No. Stop driving and arrange for towing. Continued operation risks catastrophic damage or stranding.
How much does it cost to fix MaxxForce P0087?
Repair cost is typically $400-$4,500 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-P0087-11?
Scan rail pressure -- should hit 1800 bar cranking.
Change fuel filters (primary + secondary).
Perform injector return flow test.
Which Vehicles Commonly Get MAXXFORCE-P0087-11?
- International ProStar MaxxForce 11
- International TranStar 8600 MaxxForce 11
- International PayStar 5900 MaxxForce 11
- International WorkStar 7600 MaxxForce 11
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