Mitsubishi S16R2-PTAW

Questions and Answers

J
Jeffery RodriguezAug 1, 2025
What to do if Mitsubishi Engine starter cranks but the engine does not start?
- R
  Regina AllenAug 1, 2025
  If your Mitsubishi Engine's starter cranks but the engine fails to start, consider these potential causes. First, check the fuel system: ensure you haven't run out of fuel, and inspect for any blocked pipes, improper fuel properties, fuel leakage in pipes, or a clogged fuel filter. Also, an insufficient amount of air might be the problem; check the turbocharger and clean or replace the air cleaner element and pre-cleaner. Addressing these areas should help diagnose why your engine isn't starting.
K
kellerjennaAug 5, 2025
Why Mitsubishi S16R2-PTAW Engine fuel consumption is high?
- D
  Denise GarciaAug 5, 2025
  High fuel consumption in your Mitsubishi Engine can be attributed to several factors. Issues within the fuel system, such as a faulty fuel injection timing, improper fuel properties, or fuel leakage in fuel pipes and injection pipes could be the cause. Also, overcooled cooling system or an insufficient amount of air in the inlet and exhaust systems can lead to increased fuel consumption.
R
Robert UnderwoodAug 10, 2025
Why Mitsubishi S16R2-PTAW starter does not crank or cranks slowly?
- N
  Norma MeyerAug 10, 2025
  If your Mitsubishi Engine starter isn't cranking or is cranking slowly, leading to start failure, several factors could be at play. It might be due to a faulty wire connection, so check the fuse and wiring connections of each relay between the battery, starter, and starter switch. An insufficiently charged or weak battery could also be the culprit; in this case, check the alternator, the specific gravity of the battery electrolyte, and consider charging or changing the battery. High oil viscosity or excessive oil can also impede the starter; ensure you're using the appropriate engine oil and check the oil amount and lubrication system.
N
Nicole PerezAug 16, 2025
How to solve Mitsubishi S16R2-PTAW output decrease?
- S
  sanchezamyAug 16, 2025
  A decrease in your Mitsubishi Engine's output could stem from several issues. Start by checking the fuel system for problems like improper fuel properties, a clogged fuel filter, or other fuel-related issues. Also, investigate the inlet and exhaust systems for an insufficient amount of air or increased exhaust air resistance. Finally, consider whether the cooling system is experiencing overheating or overcooling, as these can also impact engine performance.
S
Shannon SimpsonAug 21, 2025
Why Mitsubishi S16R2-PTAW exhaust smoke is black or charcoal?
- I
  ilambAug 21, 2025
  Black or charcoal exhaust smoke from your Mitsubishi Engine may indicate several potential issues. Check for improper fuel properties within the fuel system. An insufficient amount of air in the inlet and exhaust systems or increased resistance of exhaust air could also be contributing factors.
J
jonathan95Aug 26, 2025
How to fix white or blue exhaust smoke from Mitsubishi S16R2-PTAW?
- N
  natasha48Aug 26, 2025
  White or blue exhaust smoke from a Mitsubishi Engine can be caused by several issues. It could be due to improper fuel properties, combustion of engine oil, or the engine running too cool. Check the cetane index and use appropriate fuel. Also check the amount of engine oil and lubrication system. Inspect the radiator and thermostat.

Summary

INTRODUCTION

FOREWORD

Warranty and Safety Information

Covers warranty terms, essential safety rules, and warnings for engine operation.

Technical References

Lists units, abbreviations, and standards used in the manual for reference.

Chapter 1 BASIC SAFETY PRECAUTIONS

Fire and Explosion Prevention

Precautions against fire hazards and explosions from fuel, oil, and gas.

Personal Safety and Hazard Avoidance

Emphasizes avoiding moving parts, fumes, noise, falls, and burns.

Fluid and Battery Handling

Safe handling and disposal of fuel, oil, coolant, and battery.

Chapter 2 NAME OF PARTS

Engine External Views

Detailed diagrams labeling engine components from front, rear, left, and right.

Control and Monitoring Instruments

Covers stop levers, solenoids, revolution pickup, and engine protection devices.

Maintenance Aids

Instructions for using the manual turning gear.

Chapter 3 OPERATION

Pre-Operation System Checks

Covers preparation of fuel, lubrication, cooling, and electrical systems.

Engine Operation and Control

Details test operation, normal operation, starting, stopping, and inspections.

Chapter 4 FUEL

Recommended Fuel and Specifications

Lists recommended fuels, their specifications, limits, and test methods.

Fuel Handling and Storage

Guidelines for safe fuel handling, storage, and refueling.

Chapter 5 ENGINE OIL

Recommended Oil Grade and Specifications

Specifies recommended engine oil grades, specifications, and selection criteria.

Engine Oil Handling and Service Limits

Safe handling practices, service limits, and replacement criteria for engine oil.

Engine Oil Properties Explained

Defines key engine oil properties like viscosity, base number, acid number, and insolubles.

Chapter 6 COOLANT

Water Quality and LLC Requirements

Specifies requirements for cooling water and Long Life Coolant (LLC).

LLC Maintenance and Concentration

Covers LLC replacement intervals and recommended concentration for temperature protection.

Coolant System Abnormalities

Details common abnormalities caused by LLC, like pitting and corrosion.

Chapter 7 MAINTENANCE SCHEDULE

How to Use Maintenance Schedule

Explains how to interpret and use the provided maintenance schedules effectively.

Periodic Maintenance Charts

Presents maintenance schedules for regular, emergency, and general-purpose engine use.

Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES

Engine External and Belt Maintenance

Covers visual inspection of the engine exterior and belt system maintenance.

Fuel System Maintenance

Procedures for inspecting, cleaning, and replacing fuel filters and separators.

Lubrication and Cooling System Maintenance

Steps for changing engine oil, filters, and coolant.

Electrical System Maintenance

Procedures for checking the battery, starter, and alternator.

Chapter 9 LONG-TERM STORAGE

Engine Storage Preparation

Steps for preparing the engine for inoperable storage to prevent damage.

Engine Storage Maintenance and Re-commissioning

Covers maintenance during storage and procedures for resuming operation.

Chapter 10 TRANSPORTATION

Lifting Engine Safely

Safe procedures and precautions for lifting and handling the engine during transportation.

Chapter 11 TROUBLESHOOTING

General Precautions for Troubleshooting

Essential safety and preparatory steps before attempting any troubleshooting.

Common Engine Problems and Solutions

Addresses issues like starting failure, no start, output decrease, exhaust smoke, and fuel/oil consumption.

Overheating and Low Oil Pressure Issues

Diagnoses and provides solutions for engine overheating and low oil pressure problems.

Fuel System Issues

Guidance for restarting the engine after running out of fuel.

Chapter 12 MAIN SPECIFICATIONS

Engine Specifications Overview

Lists key technical specifications of the S16R2-PTAW engine model.

Mitsubishi S16R2-PTAW Specifications

General

Engine Model	S16R2-PTAW
Number of Cylinders	16
Cylinder Arrangement	V-type
Bore x Stroke	170 mm x 180 mm
Aspiration	Turbocharged and aftercooled
Starting System	Electric motor
Engine Type	4-cycle, water-cooled
Fuel System	Electronic control, common rail
Lubrication System	Forced lubrication
Cooling System	Water-cooled