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Author archives: NGK

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    NGK: Lead configuration on 4-cylinder block coils

    This video explains how to correctly assign the ignition leads on 4 cylinder block coils.

    September
    27
    2021

    NGK: Glow Plug Exchange on Saab, Opel, Fiat, Alfa Romeo

    NGK show the best method of removal and replacement of defective glow plugs on a Saab 93 with the engine code Z19DT. The same engine is used by Opel (Vauxhall), Fiat and Alfa Romeo (1,9 JTDM)

    September
    17
    2021

    NGK: Electrode Gap v’s Voltage

    This video explains the relation of the spark plug gap and the ignition voltage. A larger gap than the vehicle / engine manufacturers specification can stress the ignition coil and increase the coil failure rate.

    August
    23
    2021

    NGK: Prevention of Spark Plug Ceramic Insulator Cracks

    This video describes how spark plugs can be damaged during installation by using a poor quality spark plug socket wrench. It explains which features a good spark plug socket wrench should have.

    July
    19
    2021

    NGK: Relation of clogged DPF / EGR valve and defective glow Plugs

    The September 2009 emissions standard EURO 5 covers diesel cars sold from January 2011 on, and the glow system begins to play an even more relevant role, crossing its strategies with several different engine systems

    June
    1
    2021

    Diagnosis of hall sensors for crankshaft and camshaft from NGK

    In recent years, Hall sensors have mostly replaced inductive sensors when fitted to passenger car engines because they deliver a square-wave signal even at low engine speeds, which no longer need to be processed in the control unit. In times of start-stop systems, a faster engine start can be achieved.

    April
    27
    2021

    NGK: Diagnosis of Direct Ignition Coils

    Looking at trends and innovations in engine technology, it is easy to detect evolutionary growth, comprised of continuous upgrades and redevelopments in engine management strategies, the adoption of new components and improvements in the overall performance of modern engine units.

    February
    8
    2021

    NGK: Wide Band Lambda Sensors

     Continuous and constant effort from worldwide authorities to achieve a reduction in polluting emissions in the transport sector, moreover in internal combustion engine cars, caused the emissions control systems to evolve, by introduc-ing new catalytic converters, upstream and downstream lambda sensors working on such converters, exhaust gas recirculation systems (EGR), temperature sensors, NOx sensors and …

    January
    18
    2021

    NGK: Air flow meter

    The Mass Air Flow Sensor (otherwise known as MAF Sensor, Air Mass Meter or Mass Air Flow Meter) is installed between the air filter and the throttle valve and measures the air delivered to the cylinders of the engine. In the case of petrol engines, the intake air mass is the most important value for …

    December
    18
    2020

    Glow Plug Technology

    It probably hasn’t escaped your notice that new car buyers are continuing to change their allegiance from spark ignition to compression ignition vehicles, and it won’t be long before diesel cars start outselling petrol cars – a shift that few would have predicted as little as 15 years ago. In the first six months of …

    April
    10
    2020