Electronic Diesel Injection Diagnostics Course
Online 300-hour course in electronic diesel injection diagnostics. 6 modules covering ISO 14229 (Unified Diagnostic Services, UDS), SAE J1939 (CAN network for heavy vehicles) and Bosch ESItronic. Assigned tutor and open enrolment.
Electronic Diesel Injection Diagnostics Course — studying from Ireland
Ireland's agricultural, forestry, construction and utility sectors rely heavily on off-road vehicles and specialist machinery, creating steady demand for engineers and technicians. Dealers, manufacturers' service networks and specialist fabricators support tractors, earthmoving equipment, forestry machines and bespoke vehicles. Engineers in this area work on hydraulics, powertrain integration, machine safety and maintenance planning. Machinery safety and market surveillance are overseen by national safety and standards authorities in line with European machinery directives.
Fees for Ireland: €448 (Euro), with instalments and employer sponsorship available.
Relevant bodies in Ireland
Typical roles
Questions from Ireland
Are there professional bodies in Ireland for off-road and specialist vehicle engineers that this qualification relates to?
Off-road and machinery engineers in Ireland often join Engineers Ireland, and agricultural and construction sectors have their own industry associations. SEIUM's qualifications are private and not accredited by any national body, so they do not confer membership, licences or recognition. Confirm entry requirements directly with any body you are considering.
Do Irish employers in agriculture, construction and specialist machinery value this training?
Employers in Ireland's agricultural machinery, construction and plant hire sectors generally weigh practical experience heavily. A private online qualification may support your application, but its value is decided by each employer. The final project can help demonstrate your skills, though no outcome is guaranteed.
Is the programme manageable alongside work, and can my employer pay for it?
Yes, the programme is 100% online and taught in English, so you can study around field or workshop schedules from anywhere in Ireland. Durations are 300, 800 or 1,900 hours depending on the course. Fees can be paid in instalments, employer sponsorship is possible, and each student has an assigned technical tutor.
Take the controls.
Run a real engineering trade-off from this field. Move the sliders, watch the model react in real time and beat the challenge.
What you will be able to do
Describe common rail, unit injector and electronic distributor pump architectures.
Use diagnostic equipment and manufacturer technical documentation.
Carry out tests on the low- and high-pressure fuel circuits.
Diagnose starting, power and smoke faults from symptoms and data.
Test, replace and code injectors and sensors.
Relate the condition of the injection system to exhaust aftertreatment systems.
Establish preventive measures concerning fuel quality.
Who it's for
- Diesel diagnostics technician who wants to specialise in Electronic Diesel Injection Diagnostics.
- Heavy vehicle mechanic who wants to specialise in Electronic Diesel Injection Diagnostics.
- Diesel laboratory technician who wants to specialise in Electronic Diesel Injection Diagnostics.
- Agricultural machinery technician who wants to specialise in Electronic Diesel Injection Diagnostics.
- Workshop manager who wants to specialise in Electronic Diesel Injection Diagnostics.
- Automotive technical trainer who wants to specialise in Electronic Diesel Injection Diagnostics.
- Engineering or science graduates looking to enter automotive workshops.
What you'll work with
- ISO 14229 (Unified Diagnostic Services, UDS)
- SAE J1939 (CAN network for heavy vehicles)
- ISO 15031 (OBD diagnostic communication)
- ISO 27145 (WWH-OBD)
- Regulation (EC) 595/2009 (Euro VI)
- Regulation (EU) 2016/1628 (emissions from non-road mobile machinery)
- EN 590 (automotive diesel fuel)
6 modules · 300 h
1.1Evolution of injection in machinery1.2Common rail and how it works1.3Unit injector and pump-line-injector1.4Solenoid and piezoelectric injectors1.5High-pressure pump and regulation1.6System sensors and their function1.7Control unit and strategies1.8Multiple injections and their purpose1.9Relationship with exhaust gas aftertreatment1.10Workshop: identifying an engine's system
2.1Diagnostic equipment and its scope2.2Reading codes and freeze frame data2.3Relevant live parameters2.4Active tests and their safe use2.5Oscilloscope and sensor and injector signals2.6High-pressure gauges and adapters2.7Manufacturer data and reference values2.8Access to technical information and the right to repair2.9Recording the diagnostic session2.10Practice: reading and interpreting a log
3.1Low-pressure circuit checks3.2Supply flow and vacuum3.3Injector return test3.4Common rail pressure measurement3.5System leak test3.6Pressure regulator valve check3.7Compression test and its relationship3.8Fuel quality checks3.9Air in the circuit and locating it3.10Practice: a test battery on an engine
4.1Hard starting when cold and hot4.2Loss of power and black smoke4.3White and blue smoke: causes4.4Unstable idle and cylinder misfires4.5Abnormal combustion noise4.6Excessive fuel consumption4.7Oil dilution by fuel4.8Unexpected engine stall4.9Intermittent codes and their management4.10Practice: diagnosing five cases
5.1Removing and handling injectors5.2Bench testing of injectors5.3Coding and adaptation of new injectors5.4Cleaning and repair: what is viable5.5High-pressure pump: diagnosis and replacement5.6System contamination and flushing5.7Original and alternative parts5.8Warranties and manufacturer requirements5.9Mistakes that destroy a new system5.10Practice: intervention plan for a contaminated system
6.1Fuel filtration and its importance6.2Water in fuel and separators6.3Preventive system maintenance6.4Relationship between injection and particulate filter6.5Tampering with the emissions system: legal consequences6.6Verification after repair6.7Operator and workshop training6.8Record documentation6.9Common diagnostic errors6.10Final project: electronic injection diagnostic protocol
How you'll learn
100 % online training on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. There are no fixed timetables: students progress at their own pace within the intake, making it possible to combine study with work.
Each module combines theory, guided reading of the original standard and applied exercises. The working software is Bosch ESI[tronic], Delphi DS, TEXA IDC5, Jaltest, Cummins INSITE, in free, academic or evaluation versions. Tests are studied using real procedures for injector return flow testing, rail pressure measurement with an oscilloscope, and injector coding and adaptation. Assessment is continuous per module plus the final integrative project.
Build it end to end
Your final project follows the real engineering workflow, step by step, reviewed by your tutor.
Describe common rail, unit injector and electronic distributor pump architectures.
Use diagnostic equipment and manufacturer technical documentation.
Carry out tests on the low- and high-pressure fuel circuits.
Diagnose starting, power and smoke faults from symptoms and data.
Test, replace and code injectors and sensors.
Where this takes you
Requirements
- No prior qualification required.
- Internet connection and a computer capable of running the programme's software.
- Spanish language level sufficient to follow technical regulatory reading.
Ready to start?
Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.
Frequently asked questions
The programme comprises 300 hours in total, spread over 3 to 5 months. That is an average of 10 to 15 hours per week, compatible with a full-time job.
You will work with Bosch ESI[tronic], Delphi DS, TEXA IDC5, Jaltest and Cummins INSITE. Free, academic or evaluation versions are used, and the tutor indicates the free alternative where one exists.
A SEIUM diploma upon passing the continuous assessment and the integrative project. This is in-house training, not an official Ministry qualification.
Yes. Modules passed in a course or postgraduate diploma in the same area are credited towards the advanced programme. Check the recognition policy when you enrol.
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