petrol engine

A petrol engine (gasoline engine in American English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends (such as E10 and E85).
Most petrol engines use spark ignition, unlike diesel engines which typically use compression ignition. Another key difference to diesel engines is that petrol engines typically have a lower compression ratio.

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  1. Biker67

    Auto Gearbox Question

    This might be the stupid question of the day? But here goes....... Reviewers of the latest HS PHEV talk about it having a 2 speed gearbox. Is that only when using the high voltage battery? Then does it switch to a conventional 7 speed DCT transmission when running on the petrol engine?
  2. Biker67

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  3. Tucky

    Premium unleaded in a PHEV

    Hi guys, picking up my brand new HS PHEV tomorrow. Very excited. On a daily basis I will be pretty much exclusively electric and the petrol engine will probably only get used sporadically. Would it be beneficial to use premium unleaded with its higher octane levels and cleaning additives, with...
  4. N

    Cabin pre-heat

    Hi, Can I pre-heat the cabin via the app in the ZS Hybrid+ The MG website says "Pre-set climate for your next trip" but I'm unsure if that is "set what the ac will start at" or "the cabin will actually be this temperature when I get in". If it is indeed a pre-heat - does this start the petrol...
  5. L

    Sudden unusual loudness in petrol engine

    I had something weird happen briefly to my ZS Hybrid+ petrol engine today. Not long after leaving home, l was sitting in light traffic when the petrol engine suddenly began running very loudly. I thought at first it was another vehicle bcos l had my sunroof open, but once l closed it, it was...
  6. H

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    Hi I have a 221 mg hs phev and I have a vibration on the accelerator when driving on the petrol engine especially when engine is cold anyone else having the same problem
  7. M

    MG EHS 2022 petrol engine

    Peace, I have had a MG EHS car for close to 4 months, I have already traveled close to 9000 kilometers. I drive almost exclusively on the electric motor, I have short trips during the day and I have the option to charge the vehicle at work, and this is in order to save fuel that today the price...
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