No check engine light is on.

The other day we were on a beach drive and it slowed to a stop light. It went why below normal, like it wanted to die and the ASR light came up but then disappeared when the revs went back to normal.

My wife claims she can be driving at 80 and it will just kind of lose power then rise to the occasion again, however, concerning her enough to move to the right lane in case it would die.

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Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta