Mci · United States · Crit
Mci D45CRTLE, D4520 +6 more: Fuel system — fuel rail
Affects Mci D45CRTLE, D4520, D4500, D4505, D4005, D4000, J4500, D4000 Istv · 2019–2022 — about 1K vehicles.
The hazard
A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
What to do
On engines with 75 miles or less, Cummins dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-028.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational