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321 results found for Autobiz

...Mercedes E220 CDI Turbocharger Troubleshooting When Bernard Clarke of Clarke’s Garage, Co. Cavan, was confronted with a suspected faulty Variable Nozzle Turbine (VNT), he eliminated all other possibilities before deciding to replace this costly item. Here is what he did and learne...

...Online Vehicle Manufacturers Information As more and more service information is made available on-line, Damien Curran from the Dublin Institute of Technology (DIT) navigates his way through some of the data and lets you know where you can find it. Technical documentation has always bee...

...Petrol Engine EGR Feedback Exhaust Gas Recirculation (EGR) has been around for many years, but just like any system, it has evolved and variations have been designed by various manufacturers. This Institute of the Motor Industry (IMI) guide to the basic variations of EGR feedback systems,...

...Radiator Electrolysis It can happen very quickly, even in a matter of weeks or even days. A perfectly good radiator can develop pin-hole leaks that are an indicator of possible electrolysis. Harbour Radiator’s Garry O’Brien, explains what to look for and how to prevent it from...

...Understanding Long Term Fuel Trim - a hidden gem that will save you time and money Long term fuel trim (LTFT) is a powerful PID in the diagnostic data that is often overlooked or ignored by many technicians. Here are 2 recent examples of the power of LTFT data that can make early diagno...

...Testing Piezoelectric Injectors When you squeeze quartz an odd thing happens, it will produce a current. When you apply current to quartz, it will rapidly change shape and stay in that new shape. Piezoelectric injectors uses this characteristic to provide fast, precise control of inject...

...Torque and Power 2 In the March issue of Autobiz, part one of this Tech Tip explained the differences and relationship between torque and power. In this second installment, the Institute of the Motor Industry (IMI) sets out to further examine the nature of torque and power in diesel and p...

...BMW 120D - Failed dual mass flywheel The DMF had collapsed and this was most apparent around the centre bearing The owner of this 2008 BMW 120D had to abandon her vehicle in the car park, because she couldn't select a gear. Even though the clutch operation felt normal, when attemptin...

...BMW Lighting - A repeat offender Over the last year, we have a high number of help line calls for various BMW models with lighting, window and wiper issues. All these systems are connected to the FRM (Footwell) module. This module is located on the right hand side, under the dash on...

...Understanding Electric Parking Brakes Electric parking brakes have been around for more than a few years now, and they are becoming more common. To help you better understand how they work, Autodata offers some details on the basics of the these parking brakes. Electric parking brakes (EP...



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