This document is the PACCAR P0273 injector fault diagnostic reference from the 2013 PACCAR MX Diagnostic Service Manual. It covers fault identification, electrical diagnosis, and troubleshooting procedures for cylinder 5 injector solenoid valve faults in EPA 2013 compliant PACCAR MX engines. Published by PACCAR, this single-page resource provides essential diagnostic data for technicians servicing MX-series trucks.
Document details and specifications — PACCAR P0273 injector
| Brand | PACCAR |
| Model coverage | MX Engines (EPA 2013) |
| System/Group | DTCs / MX Engines |
| Publication number | Not specified |
| Year/Revision | 2013 |
| Pages | 1 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Table of contents
- Code number: P0273
- Fault code description — Cylinder 5 injector spill valve low side short circuit to ground
- Fault code information
- Description of component(s)
- Location of component(s)
- Diagnostic condition
- Set condition of fault code
- Reset condition of fault code
- Electrical diagram(s)
- Technical data
- Possible causes
- Additional information
- Diagnostic Step-by-Step
- Verification Drive Cycle
Applies to these models
The PACCAR P0273 injector fault applies to all trucks equipped with 2013 EPA-compliant PACCAR MX engines. This diagnostic reference specifically addresses cylinder 5 injector solenoid valve electrical faults, including voltage anomalies and ground-circuit shorts. For official PACCAR engine support and service resources, visit PACCAR official.
Who needs this P0273 injector fault manual
Professional diesel mechanics and workshop owners diagnosing electrical faults in PACCAR MX-series truck engines need this P0273 injector fault reference. The manual provides the structured diagnostic pathway and component data required to isolate and repair cylinder 5 injector solenoid valve issues quickly and accurately.
The complete P0273 injector fault diagnostic manual is available in the DiagTechPro manuals library. A free account is required to download the full PDF.
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Using this document effectively
Use PACCAR P0273 injector fault — Cylinder 5 Spill Valve — 2013 MX as a reference alongside the exact machine identification, engine family, control module, and publication revision shown on the equipment. Confirm that the model and production range match before following any table, connector view, test sequence, or specification. Record the original fault code and operating conditions before clearing codes or disconnecting components.
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