# Service bulletin E290

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.

- Type: Service bulletin
- NHTSA id: 10213098
- Published by NHTSA: 2022\-06\-02
- Manufacturer's number: E290
- Manufacturer's date: 2022\-05\-16
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

An EPA21 MX fuel injector cleaning procedure is available. The attached document details the fuel injector cleaning procedure and helps to determine when it is necessary to replace the injectors.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213098-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213098-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2021 PACCAR MX\-11
- 2021 PACCAR MX\-13

JSON: [/v1/bulletins/10213098](/v1/bulletins/10213098)

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