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moderate Owners of the 2021 Jeep Gladiator have filed 12 NHTSA complaints about the fuel system at roughly $1,200 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See fuel system across all vehicles →
| Model year | fuel system complaints |
|---|---|
| 2021 Gladiator (this page) | 12 |
| 2022 Gladiator | 3 |
All 2 active fuel system recalls on this vehicle land at critical or severe — none classified moderate.
An engine stall can increase the risk of a crash.
Fuel pump failure can result in an engine stall, increasing the risk of a crash.
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following DTCs have been set: P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. P025C - Fuel Pump Module Control Circuit Low. P0300-00 - Multiple Cylinder Misfire. P0301-00 - Cylinder 1 Misfire. P0302-00 - Cylinder 2 Misfire. P0303-00 - Cylinder 3 Misfire. P0304-00 - Cylinder 4 Misfire. P0305-00 - Cylinder 5 Misfire. P0403-00 - EGR Control Circuit Open (Disabled Fault). P208B - Reductant Pump 1 Control Pe
full bulletin at NHTSA ↗Guidelines For The Use Of Alternative Diesel Fuels.
full bulletin at NHTSA ↗Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.
full bulletin at NHTSA ↗Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.
full bulletin at NHTSA ↗Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
Of twelve complaints in this cluster, five owners experienced actual fuel system failures while driving. The most serious: fuel pump failures causing loss of engine power or complete stall at speeds between 55 and 75 MPH, with no warning lights and no restart capability on one vehicle. Owners reported intermittent power loss that recovered minutes later, sudden deceleration despite pressed accelerator pedal, and abnormal engine sounds preceding failure. One stall occurred at just 14,000 miles; others between 40,000 and 50,000 miles.
Seven complaints involve owners who received NHTSA recall notifications (Campaign 22V767000) but cannot get the repair done because Jeep's parts have remained unavailable for an extended period—dealers and the manufacturer both confirm this repeatedly. These owners have not yet experienced failures but carry the known defect.
One complaint involves multiple fuel system components (pump, injectors, filter) all faulty at 40,000 miles. Another occurs at only 165 miles—a DEF tank and sensor failure producing a dashboard warning that the vehicle would fail to start in 200 miles, with parts backordered.
The manufacturers were made aware; owners received recall notification or contacted dealers. No field repairs were completed on most vehicles.
Fuel pump fails to deliver adequate pressure, causing loss of engine power or complete stall. Owners report either sudden deceleration while pressing the pedal or intermittent power loss followed by recovery. One owner experienced complete stall at 55 MPH with inability to restart; another experienced intermittent power loss at 60 MPH.
When: 14,000 to 50,000 miles
Symptoms owners cite: Vehicle loses motive power or deceleration while accelerator pedal is depressed; Intermittent power loss during highway driving; Complete stall with no restart capability; No warning light illuminated; Abnormal engine compartment sound before stall
Repairs/costs cited: Fuel pump replacement required; one owner was offered temporary repair but declined due to safety concerns. Parts unavailability delayed repair on multiple vehicles.
Recalls/TSBs owners mention: NHTSA Campaign Number 22V767000 (Fuel System, Gasoline, Engine) issued but repair parts unavailable on all affected vehicles at time of complaint.
Multiple fuel system components found faulty. Owner reported hesitation to start with no warning lights. Dealer diagnosis identified fuel pump, fuel injectors, and fuel filter all requiring replacement at 40,000 miles.
When: 40,000 miles
Symptoms owners cite: Hesitation during vehicle startup; No warning lights illuminated
Repairs/costs cited: Fuel pump, fuel injectors, and fuel filter all require replacement. Vehicle not repaired.
Recalls/TSBs owners mention: Owner related failure to NHTSA Campaign Number 23V263000 (Fuel System, Diesel). Manufacturer was notified.
DEF (diesel exhaust fluid) tank and level sensor malfunction. Dashboard displays 'See the Dealer' warning and indicates 200 miles remaining before vehicle fails to start. This occurred at extremely low mileage.
When: 165 miles
Symptoms owners cite: DEF tank warning message displayed; Low DEF warning with 200-mile threshold message; Dashboard warning notification
Repairs/costs cited: Tank and sensor replacement required; parts were on backorder. Vehicle not repaired.
Recalls/TSBs owners mention: Parts on backorder; manufacturer contacted but provided no additional assistance.
Synthesized from 12 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
The contact owns a 2021 Jeep Gladiator. The contact received notification of NHTSA Campaign Number: 22V767000 (Fuel System, Gasoline, Engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available.…
The contact owns a 2021 Jeep Gladiator. The contact received notification of NHTSA Campaign Number: 22V767000 (Fuel System, Gasoline, Engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available.…
It's a documented issue but not catastrophic. 12 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
Based on the 12 complaints filed, fuel system issues most often appear around 34,200 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 2 active recall(s) cover fuel system issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.