Ammonia Smell From the Exhaust: SCR Causes & Diagnosis
A strong ammonia smell from the exhaust (often described as a sharp “AdBlue®/DEF smell”) is a warning sign that something is wrong in the SCR exhaust aftertreatment system. In Euro...
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Featured Blog
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Euro 6 Diesel Diagnostic Errors: Top 5 Causes & Solutions
Euro 6/VI diesel engines are efficient and clean—when all systems work together. But diagnostics can become expensive and frustrating when workshops rely on assumptions instead of measurements. One wrong assumption...
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Injector Coding Explained: Myths, Effects and Limitations
Injector coding—whether it’s IMA-, ISA-, or QR-based calibration/correction codes—is often seen as the magic fix for diesel drivability problems. As soon as an engine runs rough or sets injector-related fault...
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Injector Replacement in Diesel Engines: Individual or Set Replacement?
One cylinder shows a fault, the workshop performs a single-injector replacement—and the vehicle goes back on the road. Yet only a few days later, the customer is back: the engine...
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Water in Diesel Fuel: Cause of Injector Failure
Many Euro 6 diesel failures don’t start with “bad parts” — they start with water in the fuel. Modern common-rail systems rely on highly precise components operating under extreme pressure....
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Detecting Injector Failures Caused by Diesel Contamination
Many “injector failures” are not caused by a defective injector — they are caused by contaminated diesel fuel. Because modern common-rail systems operate at extremely high pressure with microscopic tolerances,...
