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Guru

Join Date: Apr 2010
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Engine Sensors

11/17/2022 10:45 AM

I ran across this and thought I'd pass it along. It describes the engine sensors on a modern engine, how they work, what they do, and what happens if they fail. This guy does a great job. Enjoy.

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Guru

Join Date: Mar 2007
Location: at the beach in Florida
Posts: 31577
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#1

Re: Engine Sensors

11/17/2022 2:26 PM

More sensors, we need more sensors! Now, if it would just fix itself...But I still remember the old days when you had to change points and plugs all the time, and carburetor issues, and the smell of gas used to permeate the gas stations, and tires would go flat if you looked at them sideways...haha and the car would start rusting on the first drive back from the dealer...Yes things have improved quite a bit over the years, so of course they want to change everything now...I wonder how the sensor count compares from gas to electric cars....?

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Guru

Join Date: Apr 2010
Location: About 4000 miles from the center of the earth (+/-100 mi)
Posts: 9201
Good Answers: 1046
#2
In reply to #1

Re: Engine Sensors

11/17/2022 8:14 PM

It's all driven by government requirements for emissions and gas mileage.

.I wonder how the sensor count compares from gas to electric cars....?

I guess that would depend on whether it's a hybrid or pure EV, and whether it is "autonomous". Hybrid would have more, probably, to monitor both engine and batteries.

Types Of Electric Vehicle Sensors Used In Modern Hybrid EV (thestarsensors.com)

Pure EV and hybrid would have to monitor remaining charge (integrating ammeter), and I'm sure the batteries need temperature sensors, and probably sensors to detect swelling.

If we're talking about "autonomous", add LIDAR and/or cameras, maybe radar.

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Guru

Join Date: Mar 2007
Location: at the beach in Florida
Posts: 31577
Good Answers: 1744
#3
In reply to #1

Re: Engine Sensors

11/17/2022 8:17 PM