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Fuel systemPart report

2018 Ram Promaster Fuel system Problems

Complaints
1about this part
Share
3%of 38 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the fuel system of the 2018 Ram Promaster, 3% of the 38 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Gas tank connection from fill tube to gas tank has a bust on plastic gasket. Leaks gas near the muffler. No replacement part, only option is a new $1,300 gas tank that is back ordered probably due to this issue. I have two vehicles of the same year that are doing the same thing.”

NHTSA complaint #11765793, filed 2026-09

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
202388%
202155%
201813%
201724%
201626%
201547%
201457%

Other parts of the 2018 Ram Promaster

Electrical system
11 complaints
Engine
11 complaints
Other or unknown
7 complaints
Transmission and drivetrain
7 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Brakes
3 complaints
Steering
2 complaints
Body and structure
2 complaints
Tires
2 complaints
Air bags
1 complaints
Electronic stability control
1 complaints
Engine cooling
1 complaints

← All problems reported for the 2018 Ram Promaster

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology