2018 RAM 1500 Fuel System, Diesel Problems
Owners have filed 52 complaints with NHTSA about fuel system, diesel problems on the 2018 RAM 1500, 8% of all complaints for this model year. Half of the reports with a mileage happened before 78,000 miles. The words owners use most often: “fuel diesel engine” (27% of reports).
- 52fuel system, diesel complaints
- 78,000median miles at failure
- 0mention a crash
- 0mention an injury
- 1related recalls
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fuel diesel engine: mentioned in 14 of 52 complaints (27%)
- Cooling contacted: mentioned in 8 of 52 complaints (15%)
- High pressure: mentioned in 7 of 52 complaints (13%)
- Lost motive power: mentioned in 6 of 52 complaints (12%)
At what mileage do fuel system, diesel problems happen?
Based on 20 complaints that reported the odometer reading.
How serious are the reports?
None of the 52 complaints report a crash, fire or injury.
RAM 1500 fuel system, diesel complaints by model year
When owners reported it
Related recalls (1)
Fuel system, diesel:delivery:fuel pump
Problem: Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.
Risk: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.
Fix: Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLS's number for this recall is Z46.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2018 Ram 1500. The contact stated that the vehicle was initially taken to the dealer to be repaired under NHTSA Campaign Number: 23V411000 (Engine and Engine Cooling). After retrieving the vehicle, while driving 55 MPH, the vehicle stalled. The vehicle was towed back to the local…
The contact owns a 2018 Ram 1500. While the contact's mother was driving at highway speeds, the vehicle stalled. There was no warning light illuminated. The contact used a code reader and retrieved a code related to the high-pressure fuel pump (HPFP) that the HPFP was operating at half the required…
The contact owns a 2018 Ram 1500. The contact stated that while driving approximately 20 MPH and making a right turn, the vehicle started vibrating and almost stalled. The contact stated that the check engine warning light and a warning light for the throttle body was illuminated. The contact…
Frequently asked questions
Do all 2018 RAM 1500s have fuel system, diesel problems?
No. NHTSA has 52 owner complaints about fuel system, diesel for the 2018 RAM 1500 (8% of the 664 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2018 RAM 1500 fuel system, diesel?
Yes: 1 safety recall list fuel system, diesel. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do fuel system, diesel problems start?
The median reported mileage is 78,000 miles: half of the reports with a mileage came before that.
What do owners say about fuel system, diesel problems on the 2018 RAM 1500?
The most frequent phrase is “fuel diesel engine”, in 14 of 52 complaints, followed by “cooling contacted” (8).
Other 2018 RAM 1500 problems
See all 2018 RAM 1500 problems or fuel system, diesel problems across all 1500 years.