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...Diagnostics Fiat Ducato Will Not Start eXponentia’s Steve Carter tackles a Fiat that refused to start a replacement engine, thought to be identical to the failed engine. But sometimes things are not as they appear to be, and only knowledge and good diagnostics will get you to a ha...

...Diagnostics Kia Carnival Antilock Brakes When a Kia Carnival’s Antilock Brake System (ABS) light came on at speeds greater than 110kph, the problem seemed easy to fix. It was, but only when the proper tools were used to diagnose the problem. A.D.S explains the proper steps needed to f...

...Diagnostics Mercedes AMG Ignition Coil Trouble codes - lost in translation An older model Mercedes that ran well failed the NCT on excessive emissions. The trouble code was less than straight forward in it’s attempt to explain the cause of the fault. A bit of good diagnostics and...

...Diagnostics on a Volvo S40, VW Polo and a Citroen C8  Three cars put eXponentia’s Steve Carter through his diagnostic paces, but all is not as it seems. Sometimes the real problem is beyond the ability of the ECU to understand, other than to say that something is wrong. That&...

...Diagnostics Smart Charging and Battery Replacement Replacing a worn out battery in a car, would probably be ranked as one of the easiest repair jobs any mechanic would be asked to do. But in some cases, you would be wrong. New technology has come to most parts of a car, and now it has t...

...Diagnsotics CAN Bus Citroen C8 A needle in a haystack eXponentia gets to grips with the Controller Area Network (CAN) Bus system and figures out an intermittent fault on a 2007 Citroen C8 climate control system. I am sure we have all become aware of the complex nature of wiring...

...Diesel Engine EGR Feedback Diesel Exhaust Gas Recirculation (EGR) is different in some respects to petrol engines, but it still works in the same basic way. This Institute of the Motor Industry (IMI) guide to CI, or diesel EGR feedback systems, will help you understand how it works and...

...DPF Fact and Fiction Diesel Particulate Filters (DPFs) have been around long enough now to have popped up in your garage. They have changed the knowledge a mechanic needs, but they have also provided new opportunities to garages that adapt. JLM’s Ian Humphreys explains some common D...

...Driveshaft Inspection Driveshafts and constant velocity (CV) joints are bespoke components for which high quality, proper installation and handling is critical. They transfer torque from the differential or gearbox to the wheels and are constantly subjected to extremely high stresses. GKN...

...Electrical Problems Require Proper Tools As electronics electrical circuits get more advanced, the tools required to diagnose and fix them have also evolved. Brendan Ryan, from A.D.S, explains how to use a few of these tools, that are considered by many, to be as essential as a spanner wh...



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