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337 results found for Autobiz

...Diagnostic Solutions has been asked lately, by a number of people, about the new battery technology called “AGM “, so they thought that we would explain a little about it. Firstly, AGM is an abbreviation for Absorbent Glass Mat. As you are aware, until now, lead acid batteries had an e...

...Cleaning soot from turbos, EGRs and intakes Since 1995, VAG diesel vehicles have been equipped with variable geometry turbochargers. Other manufacturers followed suit and the majority of diesels manufactured today use variable vane technology. While these turbos are far more efficient...

...Overheating Micra and a Golf with DTC 17656 Some recent posts from the Eure!Car Tech Blog on an overheating and weak Micra, and a fault code on a VW Golf IV. The Eure!Car Tech Blog, which is updated regularly, helps with everyday technical problems and can be read at www.euretechblog.i...

...Combustion and EGR In this first part of a series, the Institute of the Motor Industry (IMI) looks at the combustion process and emissions in petrol and diesel engines, the reasons behind the need for exhaust gas recirculation (EGR), EGR operation and what happens when things go wrong. Pe...

...In this second part of the series, the Institute of the Motor Industry (IMI) continues looking at the combustion process, stoichiometry and emissions in petrol and diesel engines, concentrating on diesel exhaust g as recirculation (EGR), and the differences between them. The first thing th...

...Combustion and EGR Part 3 In the last part of this EGR series, the Institute of the Motor Industry (IMI) continues looking at the combustion process and exhaust gas recirculation (EGR), along with possible faults. There are four methods of EGR feedback that are used to monitor and contr...

...Starter problems caused by ignition switches A faulty ignition switch can cause a starter to fail. Rotating electrics specialist Rhino Automotive gives details of a few things to look out for to prevent a replacement starter from falling victim to the same fault that damaged the first sta...

...Assembly camshaft damaged by timing belt failure Some camshafts are expanded with internal pressure to jam lobes into position Some camshafts are assembled from individual parts, instead of being machined as one piece A recent call at the Helpline was from a new member for assista...

...Oscilloscope basics explained Getting to grips with some Oscilloscope terminology and basic settings will go a long way towards demystifying this essential diagnostic tool. eXponentia explains some of these basics. The difference in using an oscilloscope and a multi-meter to measur...

...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...



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