Fuel Rail Pressure Too Low
The MAXXFORCE-P0087-7 (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
- $1,500-$6,000
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View pilot availability →What Are the Symptoms of MAXXFORCE-P0087-7?
- No start
- Stalling
- Derate
What Causes MAXXFORCE-P0087-7? (Most Likely First)
- K16 high pressure fuel pump failure Very Likely
- Plugged fuel filter Likely
- Low fuel prime pressure Possible
Can I Still Drive with MAXXFORCE-P0087-7?
No — stop driving. MAXXFORCE-P0087-7 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 7 (6.4L)?
P0087 on a MaxxForce 7 (6.4L) (2007-2013) 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 $1,500-$6,000 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-P0087-7?
Scan rail pressure at cranking.
Replace K16 HPFP and fuel filter.
Flush fuel system if pump disintegrated.
Which Vehicles Commonly Get MAXXFORCE-P0087-7?
- International TerraStar MaxxForce 7
- International 4300 DuraStar MaxxForce 7
- International WorkStar 7300 MaxxForce 7
- IC Bus CE-Series MaxxForce 7
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