Fuel System, Diesel
Fuel System, Diesel is named in 2,035 complaint component mentions since 1995, 1.3 of every 1,000 across the whole file, peaking in 2010 with 323.
240 NHTSA recall campaigns cite a component in this group. The model line with the most complaint mentions is the Volkswagen Jetta (525, 47.3 per 1,000 of that line's mentions).
Complaints are consumer reports and have not been verified by NHTSA.
Model lines reported most
| Model line | Mentions | Per 1,000 of the line's mentions |
|---|---|---|
| Volkswagen Jetta | 525 | 47.3 |
| Ford F-550 SD | 115 | 218.6 |
| Ford F-350 SD | 98 | 43.2 |
| Ford F-450 SD | 82 | 154.7 |
| Ford E-350 | 61 | 49 |
| Volkswagen Golf | 56 | 38.4 |
| Freightliner FS-65 | 21 | 583.3 |
| Audi A3 | 18 | 39.4 |
| Ford LCF 450 Series | 15 | 357.1 |
| Ford F Super Duty | 14 | 25.5 |
| Blue Bird All American | 10 | 45.5 |
| Dodge Sprinter 2500 | 5 | 32.1 |
| Peterbilt 379 | 5 | 65.8 |
| Ford E550 | 4 | 50 |
| Dodge Sprinter 3500 | 3 | 31.9 |
| Fleetwood American Eagle | 3 | 51.7 |
| Ford F-650 SD | 3 | 103.4 |
| Freightliner Business Class M2 | 3 | 69.8 |
| Thomas MVP EF | 3 | 300 |
| Blue Bird Vision | 2 | 90.9 |
| Chevrolet W4500 | 2 | 181.8 |
| Dodge Ram 4500 | 2 | 37.7 |
| Dodge Ram 5500 | 2 | 17.9 |
| Ford F-550 | 2 | 69 |
| GMC W4500 | 2 | 166.7 |
Fleet-wide reference: 1.3 per 1,000. Lines above that figure draw a larger share of their complaints from this component than the file as a whole.
Sub-components
| Description in the file | Mentions |
|---|---|
| Fuel System, Diesel | 1,869 |
| Storage: Tank Assembly | 158 |
| Pre-Heater | 8 |
Mentions by year
Recalls by year
Recent recall campaigns citing fuel system, diesel
Defect, as filed: Forest River, Inc (Forest River) is recalling certain 2026-2027 Dynamax Grand Sport GT recreational vehicles. The engine pre-heat pump may have been improperly installed, causing the coolant hose to fail.
Consequence: A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.
Remedy: Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters are expected to be mailed October 31, 2026. Owners may contact Forest River customer service at 1-574-522-1583. Forest River's number for this recall is 40-2097.
2 make/model/year entries; manufacturer: Forest River, Inc.; manufacturer campaign 40-2097.
Defect, as filed: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 school buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity."
Consequence: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
4 make/model/year entries; manufacturer: Daimler Trucks North America, LLC; manufacturer campaign F1037.
Defect, as filed: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity."
Consequence: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
4 make/model/year entries; manufacturer: Daimler Trucks North America, LLC; manufacturer campaign F1037.
Defect, as filed: Wanco, Inc. (Wanco) is recalling certain Compact Light Towers with part number WLTT. The diesel fuel tank may crack and leak fuel.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Wanco Inc., or dealers will replace the fuel tank, free of charge. Owner notification letters are expected to be mailed August 10, 2026. Owners may contact Wanco customer service at 1-800-972-0755.
2 make/model/year entries; manufacturer: Wanco, Inc..
Park outside advisory
Defect, as filed: Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2025-2026 GT1, 2026 GH2, and GH1 motorhomes. A screw may have punctured the fuel tank during manufacturing, causing a fuel leak.
Consequence: A fuel leak in the presence of an ignition source, increases the risk of a fire.
Remedy: Owners are advised to park outside and away from structures until the remedy is completed. Dealers will inspect and replace the fuel tank as necessary, free of charge. Owner notification letters were mailed June 23, 2026. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-148.
4 make/model/year entries; manufacturer: Tiffin Motorhomes, Inc.; manufacturer campaign TIF-148.
Defect, as filed: Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, 2021-2022 F600, and 2022 F750 vehicles previously repaired incorrectly under recall number 24V957. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.
Consequence: High pressure fuel pump failure can cause a loss of drive power, increasing the risk of a crash.
Remedy: Dealers will update the powertrain control module (PCM) software, free of charge. Owner notification letters were mailed mailed April 7, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S17. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 18, 2026.
15 make/model/year entries; manufacturer: Ford Motor Company; manufacturer campaign 26S17.
- 26V142000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 12 Mar 2026 · 3,568 units
Defect, as filed: Gillig, LLC (Gillig) is recalling certain 2021-2026 Low Floor transit buses. The air compressor intake pipe may contact and damage the fuel line.
Consequence: A damaged fuel line may leak, increasing the risk of a fire.
Remedy: Gillig will inspect, replace, and reorient the intake pipe as necessary, free of charge. Owner notification letters were mailed April 24, 2026. Owners may contact Gillig's customer service at 1-800-735-1500.
6 make/model/year entries; manufacturer: Gillig, LLC.
Defect, as filed: Remote Vans is recalling certain 2025 Aegis and Oasis motorhomes. Optional equipment may cause the motorhome to exceed Gross Vehicle Weight Rating (GVWR) when carrying the maximum number of occupants. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, “Tire Selection and Rims†and 49 CFR Part 567, "Certification."
Consequence: An overloaded motorhome increases the risk of a crash.
Remedy: Dealers will replace the extended range fuel tank with a standard fuel tank and remove the skid plates and expedition box on Aegis motorhomes and issue new OCCC labels, free of charge. For Oasis vehicles, dealers will replace the fuel tank and issue new OCCC labels, free of charge. Owner notification letters were mailed November 14, 2025. Owners may contact Remote Vans customer service at 1-513-201-7553.
2 make/model/year entries; manufacturer: Remote Vans.
Defect, as filed: BMW of North America, LLC (BMW) is recalling certain 2018 328D SportsWagon, 328D xDrive SportsWagon, 328D xDrive, and 328D diesel vehicles equipped with an exhaust gas recirculation (EGR) module with an integrated cooler. The EGR cooler may leak internally, causing coolant to mix with diesel engine soot, which could result in smoldering particles and a melting intake manifold.
Consequence: Smoldering particles and a melting intake manifold increase the risk of a fire.
Remedy: Dealers will replace the EGR cooler, inspect and replace the intake manifold, if necessary, and clean the EGR pipe connecting the cooler to the manifold, free of charge. Owner notification letters are expected to be mailed December 5, 2025. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 5, 2025. This recall is an expansion of previous recall number 21V907.
1 make/model/year entry; manufacturer: BMW of North America, LLC.
Defect, as filed: General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, 2021, 2023-2024 Chevrolet Tahoe, and 2022 and 2024 GMC Yukon vehicles equipped with a 6-cylinder diesel engine. The original fuel tank may have been replaced with an incorrect fuel tank, which can allow fuel to leak in a rollover crash.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a vehicle fire.
Remedy: Dealers will inspect for the correct fuel tank and replace it, if necessary, free of charge. Owner notification letters were mailed November 5, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252512770. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on September 18, 2025.
6 make/model/year entries; manufacturer: General Motors, LLC; manufacturer campaign N252512770.
- 25V306000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 9 May 2025 · 5 units
Defect, as filed: Ford Motor Company (Ford) is recalling certain F-250 and F-350 vehicles. Cracked fuel return line connectors may leak fuel into the engine compartment.
Consequence: A fuel leak in the presence of an ignition source such as hot engine components, can increase the risk of a fire.
Remedy: Dealers will replace the fuel return lines, free of charge. All vehicles have been repaired. Owners may contact Ford Customer Service at 1-866-436-7332. Ford's number for this recall is 25S44.
2 make/model/year entries; manufacturer: Ford Motor Company; manufacturer campaign 25S44.
- 25V288000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 2 May 2025 · 2,461 units
Defect, as filed: Altec Industries, Inc. (Altec) is recalling certain 2022-2024 TA Series, AT Series, L Series, LR Series Aerial Devices, and AF Series Forestry bodies. The fuel lines may not be properly secured, which can cause the lines to chafe and result in a fuel leak.
Consequence: A fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy: Altec will provide owners with instructions to inspect the fuel lines. If the lines are improperly secured, Altec will provide a kit to secure the lines. If the lines are damaged, the chassis manufacturer will repair the fuel lines. Repairs will be performed free of charge. Owner notification letters were mailed June 27, 2025. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is CSN-3226.
6 make/model/year entries; manufacturer: Altec Industries, Inc.; manufacturer campaign CSN-3226.
Defect, as filed: Jayco, Inc. (Jayco) is recalling certain 2025 Entegra Aspire, 2025-2026 Entegra Anthem, and Cornerstone motorhomes. The fuel filter housing may become damaged from contact with the rear cap support bracket, causing a fuel leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will install a new mounting plate and relocate the rear cap support bracket, free of charge. Owner notification letters were mailed May 9, 2025. Owners may contact Jayco customer service at 1-800-283-8267. Jayco's number for this recall is 9903625.
5 make/model/year entries; manufacturer: Jayco, Inc.; manufacturer campaign 9903625.
- 25V205000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 2 Apr 2025 · 34 units
Defect, as filed: Jayco, Inc. (Jayco) is recalling certain 2024-2025 Entegra Anthem, Aspire, and 2025 Reatta XL motorhomes, equipped with Cummins L9 diesel engines. The remote fuel filter hose may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Cummins will replace the fuel hoses, free of charge. Owner notification letters were mailed April 15, 2025. Owners may contact Jayco customer service at 1-800-283-8267.
5 make/model/year entries; manufacturer: Jayco, Inc.; manufacturer campaign Shyft Group 25V-114.
- 25V114000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 21 Feb 2025 · 85 units
Defect, as filed: Shyft Group (Shyft) is recalling certain 2022-2025 Spartan RV Chassis K2 vehicles equipped with Cummins L9 diesel engines. The remote fuel filter hose may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Shyft will work with the equipment manufacturer, Cummins, to replace the fuel hoses, free of charge. Owner notification letters were mailed March 10, 2025. Owners may contact RV Chassis customer service at 855-589-9836.
4 make/model/year entries; manufacturer: Shyft Group; manufacturer campaign 25-05.
Defect, as filed: Jayco, Inc. (Jayco) is recalling certain 2021-2025 Entegra Coach Launch, 2022 Launch LE, 2021-2025 Jayco Terrain, and 2022 Terrain LE recreational vehicles. The grey water tank support brackets may contact and damage the fuel tank, causing a leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will replace the support brackets, free of charge. Owner notification letters were mailed March 7, 2025. Owners may contact Jayco customer service at 1-800-283-8267. Jayco's number for this recall is 9903619.
12 make/model/year entries; manufacturer: Jayco, Inc.; manufacturer campaign 9903619.
- 25V053000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 3 Feb 2025 · 210 units
Defect, as filed: New Flyer of America, Inc. (New Flyer) is recalling certain 2023-2024 XDE60, 2024 XD35, XD40, and XD60 transit buses equipped with Cummins L9 diesel engines. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Cummins will replace the fuel hoses, free of charge. Owner notification letters were mailed March 11, 2025. Owners may contact Cummins customer service at 1-800-286-6467 or New Flyer customer service at 1-800-241-2947.
5 make/model/year entries; manufacturer: New Flyer of America, Inc..
- 25V052000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 3 Feb 2025 · 10 units
Defect, as filed: Temsa is recalling certain 2024 TS35 vehicles equipped with Cummins L9 diesel engines. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Cummins will replace the fuel filter hoses, free of charge. Owner notification letters are expected to be mailed February 28, 2025. Owners may contact Temsa customer service at 1-833-628-3672.
1 make/model/year entry; manufacturer: Temsa.
- 25V038000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 28 Jan 2025 · 277 units
Defect, as filed: Daimler Trucks North America LLC (DTNA) is recalling certain 2022-2024 Freightliner Custom Chassis XCM, 2022-2025 Custom Chassis XCR, 2024 Custom Chassis XBS, and 2024-2025 Custom Chassis XCS chassis, equipped with certain Cummins L9 diesel engines. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Cummins will replace the fuel hoses, free of charge. Owner notification letters were mailed March 11, 2025. Owners may contact DTNA customer service at 1-800-547-0712 or Cummins customer service at 1-800-286-6467. DTNA's number for this recall is F1016.
10 make/model/year entries; manufacturer: Daimler Trucks North America, LLC; manufacturer campaign F1016.
- 25E004000FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSReported 17 Jan 2025 · 715 units
Defect, as filed: Cummins Inc. (Cummins) is recalling certain L9 diesel engines, part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Remedy: Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed March 11, 2025. Owners may contact Cummins customer service at 1-800-286-6467. Cummins's number for this recall is C7111.
1 make/model/year entry; manufacturer: Cummins, Inc.; manufacturer campaign C7111.
Questions and answers
Which vehicles have the most complaints about fuel system, diesel?
By complaint mentions: Volkswagen Jetta (525), Ford F-550 SD (115), Ford F-350 SD (98), Ford F-450 SD (82), Ford E-350 (61). Raw counts reflect how many of each line are on the road as much as anything else; the per-1,000 column shows how large a share of that line's complaints the component takes.
How many recalls concern fuel system, diesel?
240 NHTSA campaigns list a component in this group; the 20 most recent are shown above.
Where does this data come from?
NHTSA Office of Defects Investigation complaint and recall flat files, public domain, dated 15 May 2019 and 24 Sep 2026. Component groups are the first level of NHTSA's component taxonomy.
Provenance
Source: NHTSA Office of Defects Investigation flat files, public domain, dated 15 May 2019 (complaints) and 24 Sep 2026 (recalls). See the methodology.