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  2. High energy ignition - Wikipedia

    en.wikipedia.org/wiki/High_energy_ignition

    It was used on all GM vehicles, at least in the North American market, from 1975 through the mid-1980s. [vague] The system is an electronic system that requires no scheduled maintenance, provides up to 35,000 volts to fire the spark plugs and increase spark plug life, especially when unleaded fuel is used. The HEI system has 40% more voltage ...

  3. ALDL - Wikipedia

    en.wikipedia.org/wiki/ALDL

    Most professional scan tools require a large database of vehicle definitions. [ 5 ] The signaling of ALDL is similar to the RS-232 serial data standard; differing in the voltages used to denote logical one (usually 0 V DC) and logical zero (either +5 V DC or +12 V DC), and that unlike RS-232, both transmit and receive functions are on the same ...

  4. General Motors ignition switch recalls - Wikipedia

    en.wikipedia.org/wiki/General_Motors_ignition...

    A spokesman for GM, Alan Adler, said that he didn't know how many replacement parts had been shipped to dealerships, or when the majority of parts would be available. [62] Some cars received new tumblers, while others had their original keys (if remaining available) had a plug glued in place to make the hole where the keyring goes smaller.

  5. Spark plug - Wikipedia

    en.wikipedia.org/wiki/Spark_plug

    Spark plug with single side electrode An electric spark on the spark plug. A spark plug (sometimes, in British English, a sparking plug, [1] and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within ...

  6. ACDelco - Wikipedia

    en.wikipedia.org/wiki/ACDelco

    ACDelco is an American automotive parts brand owned by General Motors (manufactured by GM are consolidated under the ACDelco brand, which also offers aftermarket parts for non-GM vehicles. Over its long history it has been known by various names such as United Motors Corporation , United Motors Service , and United Delco .

  7. Vauxhall Astra - Wikipedia

    en.wikipedia.org/wiki/Vauxhall_Astra

    In 1988 Vauxhall's twin-camshaft version of the engine, the C20XE known as the "red top" (due to the red spark plug cover), was fitted to the GTE and instantly created a stir with the motoring press because of its performance. In fact the C20XE is a Cosworth designed twin-cam conversion of the GM Family II engine, also called the Cosworth KBA. [10]

  8. General Motors EV1 - Wikipedia

    en.wikipedia.org/wiki/General_Motors_EV1

    As part of GM's vehicle electrification strategy, [138] and following the introduction of the Chevrolet Volt plug-in hybrid vehicle to the American market in late 2010, the Chevrolet Spark EV was launched in June 2013. It marked GM's first all-electric passenger car release in the United States since the discontinuation of the EV1 in 1999. [139]

  9. Wasted spark system - Wikipedia

    en.wikipedia.org/wiki/Wasted_spark_system

    A wasted spark system is a type of ignition system used in some four-stroke cycle internal combustion engines. In a wasted spark system, the spark plugs fire in pairs, with one plug in a cylinder on its compression stroke and the other plug in a cylinder on its exhaust stroke. The extra spark during the exhaust stroke has no effect and is thus ...

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