Stop Guessing.
Start Diagnosing.
The Heavy-Duty Diesel Engine Diagnostic Master Kit — a practical field system for systematically diagnosing, testing, and troubleshooting industrial, agricultural, marine, generator, and earth-moving diesel engines.
Industrial • Agricultural • Marine • Generator • Construction & Earth-Moving
The Problem Every Diesel Technician Faces
Replacing parts without a diagnosis
is the most expensive mistake in diesel repair.
of diesel engine failures are predictable and preventable
cause of unnecessary repair cost: parts replaced before diagnosis confirmed
in the CYPAK systematic diagnostic method — used by professionals
The CYPAK Diagnostic Kit gives you a structured decision-making system — the same method CYPAK POWERS INTERNATIONAL uses on real engines in Port Harcourt — so you can identify the root cause before touching a single component.
Specific Problems. Systematic Solutions.
Is your diesel engine doing any of this?
White Smoke
Fuel, injector, timing, compression, or coolant entry — stop guessing which one.
Blue Smoke
Oil entering combustion — rings, valve stems, turbo seal, or breather? Find out fast.
Black Smoke
The most expensive mistake is replacing parts before checking the air system first.
Engine Won't Start
Systematic check of fuel, air, compression, and starting system — in the right order.
Overheating
Know exactly when to stop the engine and which component to test first.
Loss of Power
Gradual or sudden — each has a different diagnostic path. Follow it correctly.
Diesel in Engine Oil
Three possible entry sources — confirm which before authorising any repair.
Low Oil Pressure
Always use a mechanical gauge first. The flowchart takes you from there.
Each symptom has its own diagnostic flowchart inside the kit. Follow the path. Find the fault. Fix it right.
The CYPAK Diagnostic Philosophy
A professional diagnostic system, not just information.
This 8-step method runs through every chapter of the manual. When you finish the kit, you don't just know facts — you have a repeatable professional process that works on any diesel engine, any fault, any situation.
Complete Package Contents
What's inside the Diagnostic Master Kit
- Part 1: Engine Systems & the CYPAK 8-Step Method
- Part 2: 12 Fault Diagnosis Chapters (Smoke, Starting, Power, Oil)
- Part 3: System Diagnosis (Injectors, Fuel, Valves, Turbo)
- Part 4: Professional Practice & Preventive Maintenance
- Glossary of 80+ technical terms
- Engine brand reference: CAT, Cummins, Perkins & more
- Engine Won't Start — full decision tree
- White, Blue & Black Smoke — separate chart each
- Overheating — emergency stop protocol included
- Low Oil Pressure — mechanical gauge first rule
- Fuel Dilution — 3 entry-source flowchart
- Injector, Fuel System & Turbo charts
- Compression Testing interpretation chart
- + more: valve adjustment, cooling, lubrication
- Engine Inspection Report
- Compression Test Record Sheet
- Injector Test & Condition Form
- Customer Diagnostic Interview Template
- Preventive Maintenance Schedule
- Pre-Purchase Inspection Checklist
- Post-Repair Verification Record
- Fuel System Diagnosis Form
- Cooling & Lubrication Check Sheet
- Engine Condition Assessment Report
- Video 1: Engine that refuses to start — approach method
- Video 2: White smoke diagnosis — live walkthrough
- Video 3: Injector-related problem identification
- Video 4: Checking for diesel in engine oil
- Video 5: Overheating — when to stop, what to check
- Video 6: Low oil pressure diagnosis
- Video 7: Valve adjustment procedure
- Video 8: Turbocharger inspection
- Video 9: Systematic engine inspection walkthrough
- Video 10: Documenting a professional diagnosis
Equipment Coverage
Designed for the machines you actually work on.
Engine Brands Referenced Throughout
Who This Kit Is For
Built for real working technicians.
Diesel Mechanics & Technicians
Upgrade your diagnostic process from guesswork to a repeatable professional method that protects your reputation.
Workshop Owners & Managers
Give your team a consistent diagnostic standard. Reduce comebacks, reduce unnecessary parts orders, protect margins.
Fleet & Equipment Managers
Understand what your technicians should be checking. Manage diesel assets more confidently and reduce unplanned downtime.
Choose Your Package
Three tiers. One diagnostic system.
All packages are digital downloads — delivered instantly after payment. One-time purchase, no subscription.
- Diagnostic Quick-Start Guide (30 pages)
- 20 Troubleshooting Flowcharts
- Engine Inspection Checklist
- Preventive Maintenance Checklist
- Covers: Generator, Agricultural & Construction
- Everything in Starter, plus:
- Complete 120-Page Diagnostic Manual
- 50+ Diagnostic Decision Flowcharts
- Professional Workshop Forms (10 forms)
- Injector Diagnosis System
- Full Fuel-System Diagnosis Chapter
- Valve & Rocker Adjustment Guide
- Turbocharger Diagnosis
- Cooling, Lubrication & Compression chapters
- Maintenance Templates & Schedules
- Covers: Marine, Earth-Moving, Industrial + All Starter sectors
- Everything in Professional, plus:
- 10 Core Video Training Lessons
- 6 Advanced Practical Demonstrations
- Hands-on Turbocharger & Injector Videos
- Professional Workshop Documentation Videos
- Advanced Engine Condition Assessment
- Lifetime Updates — all future editions
- Priority WhatsApp Support from CYPAK
To order: click your preferred package, complete the enquiry form, and we will send your download link within 24 hours. Payment via bank transfer or international card. Questions? WhatsApp 08035162419.
Why Buy From CYPAK?
This is not an internet ebook.
This is a field manual from a working workshop.
Written From Experience
CYPAK POWERS INTERNATIONAL works on real engines — industrial generators, marine systems, earth-movers — in Port Harcourt's demanding operating environment.
Field-Tested Methods
Every diagnostic method in this kit is used on real equipment in active service. Not theory. Not classroom exercises. Workshop procedure.
Practical, Not Academic
Written for technicians who need to find the fault today, document it professionally, and move on to the next job. No unnecessary padding.
"There are thousands of diesel ebooks online. What CYPAK offers is different: a diagnostic system built around the machines we actually service, the faults we actually find, and the questions a professional technician actually needs to answer before picking up a spanner."
— CYPAK POWERS INTERNATIONAL, Port Harcourt
Ready to diagnose with confidence?
Start with the Professional package — the complete manual, 50+ flowcharts, and 10 workshop forms — for a one-time $99.