European Exhaust and Catalyst Archives - Professional Motor Mechanic

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The impact of exhaust back pressure

|Date: May 01, 2026

The impact of exhaust back pressure

European Exhaust and Catalyst (EEC) is helping technicians understand the impact of exhaust back pressure ...

European Exhaust and Catalyst (EEC) is helping technicians understand the impact of exhaust back pressure. Modern exhaust systems are no longer simple bolt-on replacements. With Euro I through to Eur ...

May 01, 2026
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Diagnosing a catalytic converter fault

|Date: June 13, 2024

Diagnosing a catalytic converter fault

Technical training coordinator for EEC, Stuart Still, comes to the aid of a customer faced with the prosp ...

Technical training coordinator for EEC, Stuart Still, comes to the aid of a customer faced with the prospect of a catalytic converter whose nine lives were up. A killer coil turned out to be the main ...

June 13, 2024
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Forced DPF Regeneration

|Date: July 10, 2017

Forced DPF Regeneration

Best practise guidelines from European Exhaust & Catalyst on forced DPF regeneration. When a DPF reac ...

Best practise guidelines from European Exhaust & Catalyst on forced DPF regeneration. When a DPF reaches a pre- determined particulate matter (PM) fill level (around 40%), the ECU will activate th ...

July 10, 2017
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How to fix an issue with a faulty DPF on a Vauxhall Zafira

|Date: June 20, 2016

How to fix an issue with a faulty DPF on a Vauxhall Zafira

Stuart Still, Technical Trainer, EEC looks at an issue where the warning light was illuminated and the ca ...

Stuart Still, Technical Trainer, EEC looks at an issue where the warning light was illuminated and the car was in ‘limp’ mode. I was recently contacted by one of our distributors and asked if I would ...

June 20, 2016
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Causes of DPF failure and how to perform a ‘regeneration’

|Date: December 16, 2015

Causes of DPF failure and how to perform a ‘regeneration’

Last year, on my visits to various customers, I made enquiries about the general demand for Diesel Partic ...

Last year, on my visits to various customers, I made enquiries about the general demand for Diesel Particulate Filters. I was staggered at the lack of DPF knowledge, especially the procedure regarding ...

December 16, 2015
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How to overcome DPF servicing and repair issues

|Date: July 29, 2014

How to overcome DPF servicing and repair issues

With DPF checks now included in the MOT inspection, complete component removals could result in a failed ...

With DPF checks now included in the MOT inspection, complete component removals could result in a failed test and a subsequent invalid motor insurance claim. European emission legislation is becoming ...

July 29, 2014
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