⚠️ Stellantis Position (Mopar)

"Warranties do not cover damage caused by contaminated fuels, or the use of fuels other than those recommended in your Owners Manual"

Stellantis (Mopar / TechAuthority service information) prescribes fuel tank removal and fuel pump access panel removal as the procedures for accessing fuel tank contents. Filler neck extraction is not a manufacturer-documented procedure.

About Stellantis

Stellantis N.V. was formed in 2021 through the merger of Fiat Chrysler Automobiles (FCA) and Groupe PSA. Headquartered in Amsterdam, it is the world's fourth-largest automaker with 14 automotive brands.

Brand Portfolio

Origin Brands
American (ex-FCA) Chrysler, Dodge, Ram, Jeep
French (ex-PSA) Peugeot, Citroën, DS Automobiles
German (ex-PSA) Opel, Vauxhall
Italian (ex-FCA) Fiat, Abarth, Alfa Romeo, Lancia, Maserati

Select a Brand

American Brands

J
Jeep
C
Chrysler
D
Dodge
R
Ram Trucks

Not sold new in the US: Peugeot, Citroën, DS Automobiles, Opel, Vauxhall, and Lancia. Listed in the group portfolio for reference only.

Italian Brands

F
Fiat
A
Abarth
AR
Alfa Romeo
M
Maserati

Stellantis/Mopar Service Procedure

"Fuel Tank - Removal

  • Release fuel system pressure
  • Disconnect and isolate negative battery cable
  • Drain fuel tank into approved container
  • Raise vehicle on hoist
  • Disconnect fuel lines at tank
  • Support tank and remove mounting straps
  • Lower tank carefully"
— Mopar Service Manual (Chrysler/Jeep/Dodge/Ram)

"Fuel System Draining (PSA Procedure)

Before any fuel system work:

  • Ensure adequate ventilation
  • Switch off ignition
  • Disconnect battery
  • Use approved fuel recovery equipment
  • Access fuel via pump module or tank removal"
— Peugeot/Citroën Service Manual

Popular Stellantis Models in the US

Ram

Ram 2500 / 3500 HD
6.7L Cummins Diesel / Gasoline
Ram 1500
Gasoline / EcoDiesel 3.0L (2014–2023)

Jeep

Wrangler
Gasoline / EcoDiesel (select years)
Grand Cherokee
Gasoline / Diesel (select years)
Gladiator
Gasoline / EcoDiesel (select years)

Dodge & Chrysler

Charger / Challenger
Gasoline
Pacifica
Gasoline / Plug-in Hybrid

Fiat

500
Gasoline
Ducato
Diesel

Alfa Romeo

Giulia
Gasoline / Diesel
Stelvio
Gasoline / Diesel

⚠️ Cummins & EcoDiesel — High Misfuel Risk

US Stellantis diesel pickups and SUVs (Ram 2500/3500 Cummins, Ram 1500 EcoDiesel, Jeep EcoDiesel) use high-pressure common rail fuel systems. These are particularly sensitive to gasoline contamination:

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