Recall 25V634 affects 177 2024-2026 Porsche Panamera, Cayenne, and Panamera 4 E-Hybrid vehicles for loose fuel-pump fasteners. Repair is free at any franchised Porsche dealer.
Porsche is recalling 177 2024-2026 Panamera, Cayenne, and Panamera 4 E-Hybrid vehicles because fasteners for the high pressure fuel pump were not tightened properly and fuel can leak. A fuel leak near an ignition source increases the risk of a fire, and the Porsche dealer repair will be free once available.
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What's wrong?
The high-pressure fuel pump on the 2024-2026 Porsche Panamera, Cayenne, and Panamera 4 E-Hybrid feeds fuel to the engine at the pressure needed for combustion. It is mounted to the cylinder head and connects to fuel lines that need a tight seal. When the pump is fastened correctly, fuel stays contained as engine load and pressure change.
On affected vehicles, the pump fasteners were not tightened to specification during production. Porsche traced the problem to a scanner malfunction followed by manual rework that did not complete the final tightening step correctly. That leaves the pump connection loose enough for the fuel lines to seal poorly, which can let fuel leak from the pump area.
The problem is not always noticeable during normal driving. A fuel smell or an illuminated malfunction indicator lamp, often shown as the Check Engine Light, is the warning sign Porsche describes. Those signs are not assured, so the defect can remain hidden until fuel leaks.
Who's affected?
Spans Panamera, Cayenne, and Panamera 4 E-Hybrid vehicles across 2024-2026, all tied to the fuel system.
| 2024 Porsche Panamera | fuel system |
|---|---|
| 2025 Porsche Panamera | fuel system |
| 2026 Porsche Panamera | fuel system |
| 2025 Porsche Cayenne | fuel system |
| 2026 Porsche Cayenne | fuel system |
| 2025 Porsche Panamera 4 E-Hybrid | fuel system |
| 2024 Porsche Cayenne | fuel system |
| Units affected | 177 |
| Field incidents | NHTSA has logged no field incidents to date. |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific vehicle is included.
What's the safety risk?
Fuel leaking near an ignition source increases the risk of a fire. A fuel smell or Check Engine Light deserves prompt attention, but the problem can go unnoticed until a leak occurs. Schedule the recall repair soon and avoid ignoring fuel odor. Repair will be free at any franchised Porsche dealer once available.
What should I do?
- Check your VIN to confirm your 2024-2026 Porsche Panamera, Cayenne, or Panamera 4 E-Hybrid is included in this recall.
- Review the Porsche owner letter if you received one, then contact a franchised Porsche dealer about the free fuel-pump inspection.
- Schedule the high-pressure fuel-pump fastener inspection that fixes loose pump connections and checks for leaking fuel lines.
- Reference recall number 25V634 when you call the dealer or Porsche customer service.
- Keep the vehicle away from ignition sources and stop driving if you smell fuel before the dealer inspection.
What happens at the repair
At the dealer, a Porsche technician inspects the screw connections for the high pressure fuel pump, tightens them, and replaces the high pressure fuel pump or fuel lines if needed. The dealer repair will be free once available, with parts and labor covered under the recall. Out-of-pocket fuel pump or fuel line work already paid is handled through the Porsche New Car Limited Warranty, not through a separate reimbursement program.
| Reimbursement | Warranty coverage applies |
|---|
Timeline
| September 23, 2025 | NHTSA published the recall |
|---|---|
| October 10, 2025 | Dealer notification began |
| October 10, 2025 | Dealer notification ended |
| October 10, 2025 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| November 19, 2025 | Owner notification mailed |
| November 21, 2025 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 25V634?
Recall 25V634 covers 177 2024-2026 Porsche Panamera, Cayenne, and Panamera 4 E-Hybrid vehicles with high-pressure-fuel-pump fasteners that were not tightened properly. A loose connection can cause a fuel leak, and Porsche dealers will inspect and tighten the connections for free.
What should I do if my 2024-2026 Porsche Panamera, Cayenne, or Panamera 4 E-Hybrid is on this recall?
Check your VIN to confirm your specific Porsche is included in recall 25V634. If it is, contact a franchised Porsche dealer and reference recall ASA9. The dealer will inspect and tighten the screw connections, then replace the high pressure fuel pump and fuel lines if needed, free of charge.
Is the recall repair free?
Yes. Federal recall law requires the defect repair at no cost, and Porsche will perform the inspection, tightening, and needed parts replacement free of charge at a franchised Porsche dealer.
What is the safety risk?
The safety risk is fire. If the high-pressure-fuel-pump fasteners are loose, fuel can leak. A fuel leak near an ignition source increases the risk of a fire, so confirm your VIN and arrange the free dealer repair if your vehicle is included.
When did Porsche notify owners about recall 25V634?
Porsche mailed owner notification letters on November 19, 2025. VINs became searchable beginning October 10, 2025. If you bought the vehicle used or never received a letter, check your VIN and call a franchised Porsche dealer with recall ASA9.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/25V634000 |
|---|---|
| Porsche customer service | 1-800-767-7243 |
| NHTSA recall # | 25V634 |
| NHTSA recall # (full) | 25V634000 |
Source documents
-
Download Quarterly Report (PDF) - Download Recall Investigation Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →