Professional Motor Mechanic

Diesel injectors – fault diagnosis and coding procedures

|Date: October 02, 2012

Diesel injectors – fault diagnosis and coding procedures

The symptoms: Poor starting – increased fuel consumption Tools required: DS150 Diagnostic Tool, Sealed Ra ...

The symptoms: Poor starting – increased fuel consumption Tools required: DS150 Diagnostic Tool, Sealed Rail Kit (YDT278), False Actuator Kit (YDT410), Fuel Analyser (YDT553) ...

October 02, 2012
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Common Rail Diesels – how to undertake a fuel return flow test

|Date: August 10, 2012

Common Rail Diesels – how to undertake a fuel return flow test

As the diesel engine becomes more efficient, and therefore more popular, with most manufacturers offering ...

As the diesel engine becomes more efficient, and therefore more popular, with most manufacturers offering them right across their ranges, maintenance and understanding of these systems is obviously be ...

August 10, 2012
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Glow Plugs – Visual diagnosis

|Date: July 30, 2012

Glow Plugs – Visual diagnosis

Problem: Carbon fouling Causes: Glow Plug is incorrectly installed and as a result the cooling capacity h ...

Problem: Carbon fouling Causes: Glow Plug is incorrectly installed and as a result the cooling capacity has been altered; the duty cycle of the vehicle is too low Solutions: Ensure that both the tube ...

July 30, 2012
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Diesel engine torque signatures and how to improve performance – Part 2

|Date: July 25, 2012

Diesel engine torque signatures and how to improve performance – Part 2

Petrol and diesel engines have always been very different animals. Diesel engines are renowned for good l ...

Petrol and diesel engines have always been very different animals. Diesel engines are renowned for good lowend torque and petrol engines for high revving, long-legged acceleration, but over the years ...

July 25, 2012
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Diesel engine torque signatures and how to improve performance – Part 1

|Date: July 25, 2012

Diesel engine torque signatures and how to improve performance – Part 1

Petrol and diesel engines have always been very different animals. Diesel engines are renowned for good l ...

Petrol and diesel engines have always been very different animals. Diesel engines are renowned for good lowend torque and petrol engines for high revving, long-legged acceleration, but over the years ...

July 25, 2012
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Diesel injector removal – Honda 2.2I CR engine

|Date: July 09, 2012

Diesel injector removal – Honda 2.2I CR engine

Please note: this procedure is specifically for use with the Pichler extraction toolkit (p/n 603 83 200/6 ...

Please note: this procedure is specifically for use with the Pichler extraction toolkit (p/n 603 83 200/603 83 220). Before commencing any work, these tools should be only used by skilled and trained ...

July 09, 2012
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Injector removal and replacement process – PSA DV6 engines

|Date: June 26, 2012

Injector removal and replacement process – PSA DV6 engines

Important user note before commencing work: The tool kit (p/n 60385405) is specifically used for the remo ...

Important user note before commencing work: The tool kit (p/n 60385405) is specifically used for the removal of injectors and pressing in of the injector sleeve and sealing ring. These instructions an ...

June 26, 2012
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Cooled EGR system – function and application

|Date: June 26, 2012

Cooled EGR system – function and application

Ever more stringent emission regulations require a constant improvement in pollutant reduction methods. F ...

Ever more stringent emission regulations require a constant improvement in pollutant reduction methods. For diesel engines this particularly applies to a further reduction in nitrogen oxides (NOx). ...

June 26, 2012
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EGR systems – how they work and common causes of failure

|Date: June 26, 2012

EGR systems – how they work and common causes of failure

The number of diesel vehicles in Europe has increased dramatically in recent years. As the latest Euro Em ...

The number of diesel vehicles in Europe has increased dramatically in recent years. As the latest Euro Emission Standard Regulations have come into force, there has never been a more crucial time to c ...

June 26, 2012
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The function of tumble flaps and swirl flaps

|Date: June 26, 2012

The function of tumble flaps and swirl flaps

Pierburg manifolds, as used in modern diesel vehicles, often have swirl or tumble flaps in their inlet po ...

Pierburg manifolds, as used in modern diesel vehicles, often have swirl or tumble flaps in their inlet ports. Swirl flapsSwirl flaps produce a swirl alongside the cylinder axle. They are used in diese ...

June 26, 2012
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Diesel Particulate Filters explained

|Date: June 26, 2012

Diesel Particulate Filters explained

Diesel particulate filters have been fitted to diesel cars for around 12 years now and have received a mi ...

Diesel particulate filters have been fitted to diesel cars for around 12 years now and have received a mixed reaction from the industry. The modern diesel is a much more sophisticated affair than its ...

June 26, 2012
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How to code diesel injectors

|Date: June 26, 2012

How to code diesel injectors

With diesel vehicles now accounting for over 50% of new vehicle sales, combined with the more stringent e ...

With diesel vehicles now accounting for over 50% of new vehicle sales, combined with the more stringent emission regulations introduced in September 2010 (which will again be tightened in 2013), garag ...

June 26, 2012
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How to solve a common rail diesel fuel system issue on a Peugeot 307 HDI

|Date: June 26, 2012

How to solve a common rail diesel fuel system issue on a Peugeot 307 HDI

Given the self-diagnostic capability of modern diesel as well as petrol engine management systems, it ise ...

Given the self-diagnostic capability of modern diesel as well as petrol engine management systems, it iseasy for fault symptoms to be mis-interpreted as something more complex than they actually are. ...

June 26, 2012
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Ceramic diesel glow plugs – their function and how to install

|Date: June 21, 2012

Ceramic diesel glow plugs – their function and how to install

Glow plug technology can be divided into two major categories – metal sheathed types and ceramic types. ...

Glow plug technology can be divided into two major categories – metal sheathed types and ceramic types. Ceramic glow plugs utilise a heating element which is encased in a special type of ceramic – Si ...

June 21, 2012
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How to replace the timing belt on various 2.0l common rail diesel models

|Date: June 20, 2012

How to replace the timing belt on various 2.0l common rail diesel models

Large numbers of the 2.0l common rail engine with the engine code CBDB are installed in various VW models ...

Large numbers of the 2.0l common rail engine with the engine code CBDB are installed in various VW models. When the timing belt is changed, serious mistakes are often made. To ensure that changing the ...

June 20, 2012
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