DSM.0053 Ver. 1.0  May 26, 2022

This manual is designed as a support document for trained technicians in the maintenance and service of the 488LPI™ propane autogas engine provided by Hexagon Agility®.

No attempt shall be made to install, maintain, or repair this product until this manual and all referenced supporting documentation have been read and fully understood.

Please click on the PDF link below to open the file.

Table of Contents




    Warning and Signal Words Used in this Manual

    Qualified Personnel

Engine Harness Component Diagram

Repair Procedures

Camshaft Position (CMP) Sensor

Crankshaft Position (CKP) Sensor

Engine Control Module (ECM)

Engine Coolant Temperature (ECT) Sensor

Engine Harness

EVAP Purge Solenoid

Fuel By-Pass Solenoid

Fuel Pressure/Temperature (FPT) Sensor

Ignition Coil

Manifold Absolute Pressure (MAP) Sensor

Mass Air Flow (MAF) Sensor

Spark Plug Inspection

Spark Plug Wire Inspection

Torque Security Module (TSM)


Electrical Component and Sensor Torque Specifications

Ignition System Specifications

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