Blog
How Do You Know When Injector Back-Leakage Has Become a Problem?
Injector back-leakage testing helps detect internal fuel leaks. Learn how the test is done and when its results point to a fault.
How Often Should Diesel Injectors Be Checked?
How often should diesel injectors be checked, and which symptoms should you never ignore? Here is what really determines the right time to test them.
Why Does a Diesel Engine Run Rough at Idle?
Diesel running rough or misfiring at idle? We look at the main causes, from injectors and the HPFP to EGR and compression, and how to diagnose them.
Over-Fueling Injector: How to Spot It and Why It Is Dangerous
Is your injector over-fueling? We break down the symptoms, causes and consequences of this fault.
Fuel Rail Pressure Dropping: Causes and How to Diagnose It
Why does fuel rail pressure drop? The main causes and how to diagnose them.
Do Metal Shavings Mean You Have to Replace the Whole Fuel System?
Metal shavings in a diesel car's fuel system are a serious warning sign that should not be ignored.
AdBlue in the Diesel Fuel Tank: What to Do and What Not to Do
AdBlue accidentally went into your diesel car's fuel tank? Here are the steps to take and the possible consequences.
Do You Need to Replace All the Injectors at Once? Diagnostics, Repair and Replacement
Do all diesel injectors need replacing at once? We explain injector diagnostics, repair and replacement.
Can Metal Debris from the HPFP Damage the Injectors?
Can metal debris from a high-pressure fuel pump damage Common Rail injectors? The symptoms to watch for and how to check the system.
