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  1. fuel consumption - Is idling bad for your engine? - Motor Vehicle ...

    Apr 13, 2017 · Letting your car idle isn't actively bad for the drive train, but it certainly does put strain on the engine, additionally engaging the AC will put the engine under load, and work the …

  2. Why does an engine's idle RPMs take time to settle from a cold …

    The "small solenoid" you are talking about is the Idle Air Control (IAC) valve. It controls the idle no matter what state the engine is in, hot or cold. Second, when the engine is cold, the computer …

  3. Minimum RPM at idle speed - Motor Vehicle Maintenance

    Jul 28, 2015 · Looking at wikipedia, For a passenger-car engine, idle speed is customarily between 600 rpm and 1,000 rpm. For buses and trucks it is approximately 540 rpm. In case of …

  4. engine - Accidentally left car idling for 14 hours. What are possible ...

    Aug 31, 2020 · Never let your car idle for more than a few minutes because during idling, combustion doesn't happen efficiently and blow-by is high because there is not enough …

  5. torque - Who decides Idle engine rpm and how? - Motor Vehicle ...

    Sep 1, 2015 · I was just searching for an answer to find how the idle speed of an engine is decided and who makes that decision. Is it the engine designer alone or is it based on the …

  6. engine - my car acts like its going to stall at a stop - Motor Vehicle ...

    Feb 17, 2015 · With engine idling, spray the ether around air tube junctions, hose ends, intake manifold joints, throttle body/carburetor flange gaskets and conne tions...if the engine …

  7. Where does the power in an idling engine go? - Motor Vehicle ...

    May 30, 2017 · Many components taking power from the engine take more power when the engine is spinning faster. As such, there is a particular speed where the power taken from the …

  8. Can one set idle rpm through a commercial OBD diagnostic tool?

    I'm talking about "permanently" setting the engine's ECU to maintain an idle RPM of my choice, say, 1200 or 1500? (by "permanently", I mean something that would be maintained after …

  9. engine - Is starting idle RPM always lower in colder temperatures ...

    In other words, the engineer designing your engine knew that people would leave the cold engine idling and had an increased rpm programmed for the warm up phase of the engine for one or …

  10. engine - Why does my RPM drop when sitting idle at traffic lights ...

    While I'm sitting idle at traffic lights I put the car into neutral. The engine stays idling at about 1000 RPM. However every now and then it drops down to about 500 RPM and then quickly back up …