Professional Motor Mechanic

The crucial role of NOx sensors

|Date: January 09, 2014

The crucial role of NOx sensors

Due to the need for a reduction in response time delays and the ever increased accuracy of the control sy ...

Due to the need for a reduction in response time delays and the ever increased accuracy of the control systems of the modern internal combustion engine, some new and very specific sensor technologies ...

January 09, 2014
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EGR valve testing – the key steps

|Date: December 09, 2013

EGR valve testing – the key steps

These days, Exhaust Gas Recirculation (EGR) systems are commonplace on a wide range of petrol and diesel ...

These days, Exhaust Gas Recirculation (EGR) systems are commonplace on a wide range of petrol and diesel engines in an attempt to reduce nitrogen oxide exhaust emissions. Due to the harsh operating en ...

December 09, 2013
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Techron: Fuel system cleaners

|Date: November 06, 2013

Techron: Fuel system cleaners

Today’s modern engines are at the mercy of many variables that could ultimately affect the overall perfor ...

Today’s modern engines are at the mercy of many variables that could ultimately affect the overall performance and longevity of your customers’ cars. The indifferent quality of the fuel available on f ...

November 06, 2013
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DPFs – how to perform a ‘forced regeneration’

|Date: October 07, 2013

DPFs – how to perform a ‘forced regeneration’

TOOL USED: SOCIO 400 DIAGNOSTIC UNIT, AVAILABLE FROM TECNODIAGNOSTICS 1. Open the software and click into ...

TOOL USED: SOCIO 400 DIAGNOSTIC UNIT, AVAILABLE FROM TECNODIAGNOSTICS 1. Open the software and click into ‘Car-MPV’. 2. Select your vehicle. 3. Once vehicle is selected you will then see the full syst ...

October 07, 2013
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How does a Diesel Particulate Filter work?

|Date: September 19, 2013

How does a Diesel Particulate Filter work?

The exhaust emissions standards for new cars have effectively required fitment of a Diesel Particulate Fi ...

The exhaust emissions standards for new cars have effectively required fitment of a Diesel Particulate Filter (DPF) in the exhaust of diesel cars since 2009; this is when the 'Euro 5' standard as we k ...

September 19, 2013
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Exhaust system failures – common causes

|Date: August 12, 2013

Exhaust system failures – common causes

The exhaust system can become damaged due to various problems, which can be grouped into three different ...

The exhaust system can become damaged due to various problems, which can be grouped into three different categories: rust, vibrations and incorrect use. All three categories will eventually generate f ...

August 12, 2013
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Catalyic converter failure – was the cat to blame?

|Date: July 29, 2013

Catalyic converter failure – was the cat to blame?

Although, we’re delivering this message in a slightly unusual way, the purpose of this article is to ulti ...

Although, we’re delivering this message in a slightly unusual way, the purpose of this article is to ultimately get you to think differently about the way modern catalytic converters and DPFs work. Wi ...

July 29, 2013
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Engine/fuel system decarbonising – 8 easy steps

|Date: May 31, 2013

Engine/fuel system decarbonising – 8 easy steps

What is TerraClean?Carbon is a naturally occurring by-product of the internal combustion engine. Excessiv ...

What is TerraClean?Carbon is a naturally occurring by-product of the internal combustion engine. Excessive carbon build-up can lead to decreased MPG, increased emissions, bad starting, lack of power a ...

May 31, 2013
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DPF maintenance – 6 quick tips

|Date: May 06, 2013

DPF maintenance – 6 quick tips

DPFs are direct fit items and should be fitted following the same general advice as when fitting a cataly ...

DPFs are direct fit items and should be fitted following the same general advice as when fitting a catalytic converter. The main points to follow are: 1. Do not use exhaust paste. 2. Ensure all joints ...

May 06, 2013
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Toyota Avensis – EGR complaint

|Date: April 25, 2013

Toyota Avensis – EGR complaint

As is common with a job role like mine, I end up spending a large portion of my time on the road visiting ...

As is common with a job role like mine, I end up spending a large portion of my time on the road visiting customers and workshops. On one of my recent trips I was faced with a 2003 Toyota Avensis 2.0 ...

April 25, 2013
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NOx sensors – background and function

|Date: April 20, 2013

NOx sensors – background and function

Due to the need for reducing the delay in response time and the ever-improving accuracy of the control sy ...

Due to the need for reducing the delay in response time and the ever-improving accuracy of the control systems of the modern internal combustion engine, some new and very specific sensor technologies ...

April 20, 2013
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Lambda Sensors – why they should be changed at the same time as the cat

|Date: February 25, 2013

Lambda Sensors – why they should be changed at the same time as the cat

Technically advanced vehicle systems mean more challenging repairs. One task facing mechanics is helping ...

Technically advanced vehicle systems mean more challenging repairs. One task facing mechanics is helping the end user to understand the importance of these repairs and the increased related cost, part ...

February 25, 2013
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Oxygen sensors – failure diagnosis and fitment

|Date: February 13, 2013

Oxygen sensors – failure diagnosis and fitment

Projected electronic parts will account for 40% of the global value of vehicles in 2015 and 60% of worksh ...

Projected electronic parts will account for 40% of the global value of vehicles in 2015 and 60% of workshop repairs are linked to electronic issues. This translates to a projected €6 billion in potent ...

February 13, 2013
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Titanium dioxide Lambda sensors – function and design

|Date: November 14, 2012

Titanium dioxide Lambda sensors – function and design

This type of sensor is known as a metal oxide sensor. Unlike zirconium dioxide Lambda sensors,titanium di ...

This type of sensor is known as a metal oxide sensor. Unlike zirconium dioxide Lambda sensors,titanium dioxide sensors do not self-generate a voltage. The ceramic element is a semi-conductor, the elec ...

November 14, 2012
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Catalytic converters – general maintenance and care

|Date: October 19, 2012

Catalytic converters – general maintenance and care

1) Never use exhaust paste in front of a catalyst when fitting. When the exhaust paste hardens it can bre ...

1) Never use exhaust paste in front of a catalyst when fitting. When the exhaust paste hardens it can break off in chunks and damage the monolith. Paste dust can also block the monolith. 2) Always use ...

October 19, 2012
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The crucial role of NOx sensors

The crucial role of NOx sensors

EGR valve testing – the key steps

EGR valve testing – the key steps

Techron: Fuel system cleaners

Techron: Fuel system cleaners

DPFs – how to perform a ‘forced regeneration’

DPFs – how to perform a ‘forced regeneration’

How does a Diesel Particulate Filter work?

How does a Diesel Particulate Filter work?

Exhaust system failures – common causes

Exhaust system failures – common causes

Catalyic converter failure – was the cat to blame?

Catalyic converter failure – was the cat to blame?

Engine/fuel system decarbonising – 8 easy steps

Engine/fuel system decarbonising – 8 easy steps

DPF maintenance – 6 quick tips

DPF maintenance – 6 quick tips

Toyota Avensis – EGR complaint

Toyota Avensis – EGR complaint

NOx sensors – background and function

NOx sensors – background and function

Lambda Sensors – why they should be changed at the same time as the cat

Lambda Sensors – why they should be changed at the same time as the cat

Oxygen sensors – failure diagnosis and fitment

Oxygen sensors – failure diagnosis and fitment

Titanium dioxide Lambda sensors – function and design

Titanium dioxide Lambda sensors – function and design

Catalytic converters – general maintenance and care

Catalytic converters – general maintenance and care