Quote:
Originally Posted by a.graham52
the ecm/bcm w.e one it is keeps track of how long the engines been running. when you look at it with a tech 2 you can see how long the engines been running before each dtc is set. kinda handy.
but...
we like to call it FM signals...
Fcking Magic.
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Yeah, I know it DOES it, HP Tuners also runs a timeline chart on the bottom of the main window. I asked HOW, as in what sensors are involved. Or is there an internal clock?
But since old-school cars measure RPM with only basic electrical /mechanical / rotational diameter means, I'm sure the explanation is very simple
I'm just too lazy / old / forgetful to Google it.....
