Quote:
Originally Posted by AleroB888
How does the PCM know the engine has been running for more than 2 minutes? (or less than 30 minutes?)
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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.