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Author archives: EEC

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    Why was the VW Passat ‘smoking’?

    EEC Technical Trainer Stuart Still investigates a VW Passat 2.0D – Black Smoke Emitted and Misfire on Idle I was recently presented with a VW Passat 2.0 D that had 225K miles on the clock and was fitted with a Bosch EDC 1.5 system. The main symptoms were hesitation and misfire on idle and I …

    August
    9
    2018

    What killed the cat?

    Although folklore may claim the feline variety has 9 lives, the vehicle ‘cat’ certainly does not. In this article published in May’s PMM magazine, our Technical Trainer Stuart Still explains why a comprehensive diagnostic routine should be undertaken before condemning emissions components. A great deal of my time is spent fault finding and diagnosing emission faults, …

    June
    27
    2018

    Checks before fitting a new Diesel Particulate Filter

    Before fitting a new Diesel Particulate Filter, you should check the following components on a vehicle: * EGR valve or EGR pipe blockage * Oxygen sensors * DPF pressure pipes and valves * Air flow meter * Intake manifold * Pressure switch * Engine temperature sensor * Engine oil – is it the correct specification …

    May
    31
    2018

    DPF fitting and fault diagnosis

    Important information relating to DPF functionality, fitting and fault diagnosis A Diesel Particulate Filter (DPF) is a service item and will need to be replaced at the end of its life. This will vary by vehicle manufacturer and the how the vehicle is maintained. If the DPF needs replacing due to blockage, this would usually …

    May
    9
    2018

    Cat efficiency light

    Our Technical Support Co-ordinator at EEC, Stuart Still, was recently called to a garage in Scotland to help overcome an issue associated with the cat efficiency light.  “I was asked by a distributor in Dundee if I would visit one of their customers, Iain Hutcheon of Muirhead Garage. He was in a dilemma, as the car he …

    April
    17
    2018

    Installation Instructions for Diesel Particulate Filters

    Before fitting a replacement Diesel Particulate Filter please ensure that the root cause of failure of the existing unit has been correctly diagnosed and rectified. Failure to correct any faults or defective components may result in damage to the replacement Diesel Particulate Filter and invalidate your warranty

    March
    23
    2018

    EEC – Installation Instructions for Catalytic Converters

    Before fitting a replacement Catalytic Converter please ensure that the root cause of failure of the existing unit has been correctly diagnosed and rectified. Failure to correct any faults or defective components may result in damage to the replacement Catalytic Converter and invalidate your warranty.

    February
    19
    2018

    How to read a 4 gas analyser test

    Why are the new vehicle emissions regulations getting tougher? I thought it was to reduce pollution. If it is a genuine commitment for all of the EU governments to reduce pollution, why are the EU MoT emission values so lax? In fact, why are there different regulations throughout the EU? There are even different regulations …

    January
    24
    2018

    Why a faulty turbo can lead to DPF damage

    I regularly receive calls from workshops complaining that a customer’s vehicle is suffering from a ‘faulty’ or ‘blocked’ DPF. Now let’s get one thing straight: it’s very unusual for a DPF itself to be ‘faulty’, and in the vast majority of circumstances a DPF related issue will be caused by something else upstream of the …

    February
    17
    2017

    Diesel Particulate Filters explained

    Stuart Still, Technical Trainer, with European Exhaust and Catalyst (EEC) answers a few of the frequently asked questions associated with Diesel Particulate Filters (DPFs).

    December
    21
    2016