Diesel Injector Blog
Expert diesel injector guides, fault diagnosis, common problems, repair advice and buying guides.

Which Diesel Injector Should I Buy? Bosch or Delphi? A Practical Buyer's Guide
Choosing between a Bosch or Delphi diesel injector? A practical UK buyer's guide to repair vs replacement, cost, warranty, availability and how to identify the right part for your engine.
Most Recent

A2C59513556 / 9802448680 / 9674973080 Diesel Injector Guide: Compatibility, Problems & Replacement
Siemens VDO A2C59513556 (PSA OE 9802448680 / 9674973080) diesel injector guide: compatible 1.6 HDi/TDCi engines, failure symptoms, causes, and how to choose the right replacement.

Diesel Injector Leak Back Test: How to Find a Faulty Injector
How to run a diesel injector leak back (leak-off) test to find a worn common-rail injector without removing it — equipment, step-by-step method and how to read the results.

Bosch 0445110340 Injector: Problems, Symptoms & Replacement Guide
Bosch 0445110340 symptoms, causes, leak-back diagnosis, step-by-step replacement and vehicle applications for the PSA/Ford DW10 2.0 HDi/TDCi platform.

Common Rail Diesel Injectors: How They Work, Why They Fail & When to Replace Them
A workshop-grade guide to how common-rail diesel injectors work, why they fail, how to diagnose them with a leak-off test, and when to replace — for UK mechanics and owners.

Remanufactured Diesel Injectors: Complete Buyer's Guide
What 'remanufactured' really means, how to judge quality, and exactly what to check before you buy a diesel injector — from UK diesel specialists.

Bosch 0445110216 Problems & Replacement Guide
Symptoms, common faults and correct replacement of the Bosch 0445110216 common-rail injector — fitted to BMW 2.0 and 3.0-litre diesels (204D4, 306D2).
Popular Guides

Diesel Injector Leak Back Test: How to Find a Faulty Injector
How to run a diesel injector leak back (leak-off) test to find a worn common-rail injector without removing it — equipment, step-by-step method and how to read the results.

Which Diesel Injector Should I Buy? Bosch or Delphi? A Practical Buyer's Guide
Choosing between a Bosch or Delphi diesel injector? A practical UK buyer's guide to repair vs replacement, cost, warranty, availability and how to identify the right part for your engine.

Common Rail Diesel Injectors: How They Work, Why They Fail & When to Replace Them
A workshop-grade guide to how common-rail diesel injectors work, why they fail, how to diagnose them with a leak-off test, and when to replace — for UK mechanics and owners.
How to Diagnose a Failing Diesel Injector: 7 Warning Signs
Learn to identify the 7 key warning signs of a failing diesel injector, from hard starting to excessive smoke, and when to seek professional help.

Bosch 0445110216 Problems & Replacement Guide
Symptoms, common faults and correct replacement of the Bosch 0445110216 common-rail injector — fitted to BMW 2.0 and 3.0-litre diesels (204D4, 306D2).

A2C59513556 / 9802448680 / 9674973080 Diesel Injector Guide: Compatibility, Problems & Replacement
Siemens VDO A2C59513556 (PSA OE 9802448680 / 9674973080) diesel injector guide: compatible 1.6 HDi/TDCi engines, failure symptoms, causes, and how to choose the right replacement.
Latest Product Guides

A2C59513556 / 9802448680 / 9674973080 Diesel Injector Guide: Compatibility, Problems & Replacement
Siemens VDO A2C59513556 (PSA OE 9802448680 / 9674973080) diesel injector guide: compatible 1.6 HDi/TDCi engines, failure symptoms, causes, and how to choose the right replacement.

Bosch 0445110340 Injector: Problems, Symptoms & Replacement Guide
Bosch 0445110340 symptoms, causes, leak-back diagnosis, step-by-step replacement and vehicle applications for the PSA/Ford DW10 2.0 HDi/TDCi platform.

Bosch 0445110216 Problems & Replacement Guide
Symptoms, common faults and correct replacement of the Bosch 0445110216 common-rail injector — fitted to BMW 2.0 and 3.0-litre diesels (204D4, 306D2).