Component
FUEL SYSTEM, DIESEL: PRE-HEATER
12 NHTSA complaints about fuel system, diesel: pre-heater issues across 4 makes and 5 models.
Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.
NHTSA ODI component intake brief
ODI category FUEL SYSTEM, DIESEL: PRE-HEATER
12 filings · 5 models · 4 makes · vintage August 2026
- FILINGS SPARSE 12 ODI rows
- MODELS 5 nameplates citing this part
- MAKES 4 manufacturers in corpus
- CRASH 0.0% 0 crash-flagged
- RANK #444 of 696 categories
- SEV QUIET 0 deaths · 0 injuries
Filing-volume peers
FUEL SYSTEM, DIESEL: PRE-HEATER sits SPARSE on ODI intake volume (#444 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 5 models). Open Jeep Liberty (category leader) →
FUEL SYSTEM, DIESEL: PRE-HEATER severity reading
The standout signal for fuel system, diesel: pre-heater is severity: 0 reported fatalities and 0 injuries (QUIET stamp) on 12 filings (SPARSE volume).
Sparse categories can swing on a single high-volume nameplate; treat the leader row as the actionable signal, not the category headline alone.
Next step: compare Jeep Liberty against AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:STATUS INDICATOR LAMP/LIGHT on filing totals before treating fuel system, diesel: pre-heater volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Jeep Liberty | |
| 2 | Ford F-250 | |
| 3 | Land Rover Range Rover | |
| 4 | Jeep Grand Cherokee | |
| 5 | GMC Sierra 2500 |
Recent Complaints
The contact owns a 2012 Ford F-250. The contact stated that while driving at various speeds over 50 MPH, the vehicle shifted into LIMP Mode. No warning lights were illuminated. The vehicle was taken t
The contact owned a 2017 Land Rover Range Rover. The contact stated while the vehicle was parked in the driveway, there was an odor coming from the vehicle. The vehicle then exploded and caught on fir
The contact owns a 2015 Jeep Grand Cherokee. The contact stated that while getting a routine oil change shortly after, the warning light for a throttle box illuminated. The contact stated that in the
The DEF fluid heater has failed. This can cause failure or DEF delivery to the system at lower outdoor temperatures. This component has already been subject to a NHTSA recall in earlier year models of
WHILE REPLACING THE FUEL INJECTORS UNDER A SPECIAL INJECTOR WARRANTY, THE DEALERSHIP BROKE A GLOWPLUG OFF AND CALLED TO SAY I NEED TO REPLACE THE CYLINDER HEAD AT MY COST. CALL GMC CUSTOMER SUPPORT W
2005 LIBERTY CRD DIESEL FUEL HEATER ELEMENT IS CLEARLY A FIRE HAZARD. I SEE THE INVESTIGATION PE07041 HAS BEEN CLOSED. THIS IS AN ERROR, I HAVE SEEN ON THE FORUMS MANY PEOPLE WITH THE SAME PROBLEM. AL
THE FUEL FILTER HEAD UNIT ON MY 2005 JEEP LIBERTY CRD DIESEL HAS A DEFECTIVE DESIGN. IT IS A WELL DOCUMENTED ISSUE WITH OWNERS OF THESE VEHICLES. THE FUEL HEATER IN THE FILTER HEAD APPEARS TO OVERHEAT
I HAVE A 2005 JEEP LIBERTY CRD. THE HEATING ELEMENT AND PLUG IN THE FUEL FILTER ASSEMBLY IN MY FUEL SYSTEM IS SCORCHED AND SHOWS SIGNS OF BURNING. THE FUEL PRE HEATER COMES IN CONTACT WITH AIR AND
FUEL FILTER HEAD UNIT HEATER ELECTRICAL CONNECTION LEAKS CAUSING SMOKE AND POSSIBLE FIRE. *TR
I HAVE A 05 JEEP LIBERTY CRD AND THE HEATER ELEMENT IN THE FUEL FILTER IS LEAKING FUEL FROM THE PLUG AND THE PLUG IS BURNT UP WORRIED ABOUT IT CATCHING FIRE LIKE SOMEOTHER CRD LIBERTYS HAVE ..WILL BE
TODAY MY 2006 JEEP LIBERTY DIESEL WOULD NOT START. I DISCOVERED THAT THE FUEL FILTER HAD LOST PRIME AND THERE WAS DIESEL FUEL LEAKING FROM THE HEATER PLUG CONNECTOR THAT IS CONNECTED TO THE FUEL FILT
LEAK FROM FUEL HEATER ELECTRICAL CONNECTION CAUSED VEHICLE TO STOP OPERATING. WHEN THE SYSTEM IS PRIMED FUEL IS SPRAYED INTO THE ENGINE COMPARTMENT. I TALKED TO CHRYSLER AND THEY SAID THIS WAS NOT
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Verify with NHTSA · consumer-reported counts are not verified defect findings.