Yes, the Ford CP4 fuel pump lawsuit is certified. Only certain purchasers in California, Louisiana, Ohio, Pennsylvania, and South Carolina may qualify. Certification lets grouped owners press shared claims together.
The CP4 is the high-pressure fuel pump feeding Ford's 6.7L Power Stroke diesel trucks. Hagens Berman reports the order came from Judge Laurie J. Michelson on Sept. 30, 2026, in its Hagens Berman case update.
Official resources:
- https://www.prnewswire.com/news-releases/hilliard-law-federal-judge-certifies-five-state-classes-in-ford-cp4-fuel-pump-lawsuit-302909313.html — Use this primary source to verify the official announcement.
- https://www.wcia.com/business/press-releases/cision/20261014DA62882/hilliard-law-federal-judge-certifies-five-state-classes-in-ford-cp4-fuel-pump-lawsuit/ — Use this primary source to verify the official guidance.
Table of Contents
- Who is covered by the certified classes?
- What pump failure is alleged?
- Does certification mean a payout now?
- What should potential class members do?
Who is covered by the certified classes?
The classes cover certain buyers in five states only. Hilliard Law announced the five-state certification in California, Louisiana, Ohio, Pennsylvania, and South Carolina in its Hilliard Law announcement via PR Newswire. It is not a nationwide class.
The vehicles at issue are 2011-present Ford trucks with 6.7L Power Stroke diesels. MotorBiscuit identifies them as including Super Duty F-250 and F-350 models with Bosch CP4 pumps. Check these points:.
- Bought or owned a covered truck in one of the five states
- Truck has a 6.7L Power Stroke diesel from model year 2011 onward
- Truck uses the Bosch CP4 high-pressure pump
What pump failure is alleged?
Plaintiffs say the CP4 uses diesel fuel as its lubricant. U.S. ultra-low-sulfur diesel gives less lubrication, so the pump can wear early.
Hilliard Law explains on its Hilliard Law practice page that wear can shed metal shards into injectors, fuel lines, and the engine. That contamination can disable the truck without warning. Repairs often mean flushing or replacing much of the fuel system. Hilliard Law reports owner bills of about $8,000 to $20,000 for a contaminated system in its Hilliard Law release via WCIA.
Does certification mean a payout now?
No. Certification moves shared liability questions forward as a class case. It does not decide Ford's fault or award money.
The court also largely denied Ford's bid to end the case before trial. Hilliard Law states that liability and damages remain undecided. Owners outside the five states are not in these certified classes.
What should potential class members do?
Save papers now and wait for official notice. Hagens Berman advises potentially eligible owners to preserve purchase, repair, and payment records. Court-approved class notice will explain rights and deadlines.
Gather repair orders, invoices, and proof of payment. Keep purchase or lease papers and warranty claims. Watch mail and the court-approved case site for notice, and do not pay anyone promising faster payout access.