Quote:
Originally Posted by MetroMPG
Is it possible the cooling fan on high speed could cause enough of a draw that you'd notice the extra engine load? The fact that this started when you added a grille block is a little too coincidental.
One way to tell might be to watch your SG2 voltage parameter. See if it changes when this event happens.
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That's what I was thinking but the water temps are 20 degrees below when the fan kicks on.