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Service bulletin E318

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11020043
Published by NHTSA2025-07-02
Manufacturer's numberE318
Manufacturer's date2025-06-07
Campaign id or software versionE318
NHTSA componentENGINE; FUEL/PROPULSION SYSTEM

NHTSA's summary

Newly designed fuel injectors are available for EPA2021 compliant PACCAR MX-series engines to optimize engine performance. Injectors must be replaced as a full set (6 injectors) and associated software must be updated at the same time.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Fuel system

Vehicles listed
PETERBILT 3652021, 2022, 2023, 2024, 2025
PETERBILT 3672021, 2022, 2023, 2024, 2025
PETERBILT 3892021, 2022, 2023, 2024, 2025
PETERBILT 5202021, 2022, 2023, 2024, 2025
PETERBILT 5672021, 2022, 2023, 2024, 2025
PETERBILT 5792021, 2022, 2023, 2024, 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20246302024-10-23. Fuel System
24V7890002024-10-23. FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
23V7490002023-11-07. ENGINE
20235302023-09-27. Fuel System
23V6530002023-09-27. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
20224702022-08-18. Engine
22V6310002022-08-17. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
20213232021-05-26. Fuel System
21V3910002021-05-26. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
21V0800002021-02-17. ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
P0012026-09-29. Service bulletin. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
E3432026-09-23. Service bulletin. An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
P0032026-09-23. Service bulletin. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 1 chassis. The total chassis count is now 10. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
P0012026-09-23. Service bulletin. "KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
P0022026-09-23. Service bulletin. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 2 chassis. The total chassis count is now 4. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
P0032026-08-27. Service bulletin. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 1 chassis. The total chassis count is now 10. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
P0022026-08-27. Service bulletin. "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 2 chassis. The total chassis count is now 4. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
P0012026-08-27. Service bulletin. "KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."
43-0892026-08-25. Service bulletin. This optional software update is expected to be available after 08/28/2026.
P0032026-08-25. Service bulletin. The PB chassis list has been updated to include 1 chassis. The total chassis count is now 9.