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Hi,
If you have never changed the Crankshaft Position Sensor I would advise doing that first.
The ECU requires a very discrete signals. They need to of an appropriate signal strength called amplitude.
A CPS works on circuit fluctuations caused by metallic mass changes.
The flywheel has a spot that doesn’t have a hole or two so it can cause an interruption of a steady pattern.
This gap or drop out triggers out a pause or space of a “timed chain reaction.”
This varies the programed circuits that is actually firing on it own speed of repetitions of its program.
A small tweak here causes a ripple effect there, if you get what I mean.
An Input changes over the program lines, that have many specific codes within them.
These can being running simultaneously by the way.
The whole adaptive idea, is just that, reading and moving to different program lines to suit conditions based on sensors.
Most importantly as in a case of any degrading amplitude, the comparator circuitry will not recognize what might a “white noise.”
It’s a default limitation circuit that “Dirty Harry” speaks about. (:-)
This is one area that Capacitors are being used as filters to cut off erroneous or unstable frequencies.
In the signal section the use of Ceramic and Mylar capacitors are sophisticatedly the more stable component. Drying out with age is eliminated.
That little metal can is ultimately CHEAP and YES, it can be a Bane in electronics.
The speed limiter can be a programed code line, that’s easy enough, or a safety default code, tripped by
design.
So many of these units have a proven track record of reliability but the surrounding components that can receive or sends signals, are not so good are more likely to be considered
So you are right not to jump to any conclusions and stay out of that world or pay grade as you put it.
I have use that “Dirty Harry line myself or even a few of the 1960’s song lyric.
I Sure have enjoyed sharing the likes of Burt Bacharach works too!
Phil
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