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Discussion Starter #1
Had Emergency run light come on about 1 mile from home, turned car off was fine the rest of the way , drove to work same thing next day it kind of freaked me out, next day drove to Interstate Battery same thing on that trip turned car off the a mile later check engine light came on, battery tested really low 3 year old Moll battery, changed to Interstate H7 have driven about 60 miles no issues, Porsche battery quote $508 Interstate $178 .
 

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Yep, the computers on these cars freak out when the voltage gets too low. Battery check should be first on the list whenever weird messages pop up.
 

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Discussion Starter #4
Bad news got same message Emergency Transmission Run, then started running rough and got check engine light, maybe coil pack going bad, just changed plugs a few months ago and they all looked good.
 

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i had an experience with this before - is it the white one or red one? and did you get any codes?

my tech previously diagnosed a dirty MAF as a cause.
 

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I had the emergency Transmission run message coming up when a coil was faulty. Replaced that and fixed the problem. Hope yours clears up.
 

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Discussion Starter #8
Mine was the white, if the new coil packs do not work will check the MAF, with only 34,000 miles I hope it is the the 9 year old coil packs I just changed.
 
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