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...Mercedes C-Class - Coolant leak from Intake Manifold Question: We have a 2009 Mercedes-Benz C-Class in the workshop with a coolant leak. We have narrowed the coolant leak down to the intake manifold area but haven't managed to pinpoint the exact cause. We are reluctant to replace the int...

...Skoda Roomster - Hard Start & MIL on Question: A 2010 Skoda Roomster 1.2 is currently in the workshop suffering with difficult engine starting and the engine malfunction indicator lamp (MIL) illuminated. There are trouble codes relating to the throttle control unit stored in the ECM fault...

...VW Golf MK VII - Coolant level warning Volkswagen Golf MK VII - Coolant level warning Question: We are having trouble finding the cause of an engine coolant leak on a 2013 Volkswagen Golf 1.2 TSi. A coolant pressure check with the engine cold did not provide much help. After a road tes...

...AutoData Autodocta Question: A 2011 Citroen C5 2.0 HDi we have just serviced, has the engine oil level warning message displayed, even though the engine oil is correct. There are also trouble codes stored in the multifunction control module fault memory: B1818, F159. Have you any ideas w...

...Range Rover Sport: Engine coolant leak Autodata Autodocta Question: We are having difficulty finding the source of an engine coolant leak from around the front bumper area on a 2014 Range Rover Sport 3.0 Diesel. We have carried out a pressure check on the cooling system, which confirms...

...Autodata has provided a fix for a common vibration issues on a 2015 Jeep Cherokee, in its Autodocta proven fixes series. A garage reported that it had a 2015 Jeep Cherokee in its workshop and the customer was complaining of a vibration through the vehicle, when accelerating at 10-20 mph....

...Technical training should never be viewed as a unproductive expense, it should always be seen as an investment. Getting trained on how to deal with and find faults in modern vehicle systems, keeps you and your business up to date with changing technology. It is chargeable and will create e...

...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...

...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...



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