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rbuswell rbuswell is offline
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Join Date: Feb 2006
Location: Castle Rock, Colorado
Posts: 765
Garage
Porsche Crest AFM discovery

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Originally Posted by rbuswell View Post
  1. I'm frankly kind of chicken to drive it for long distances until I solve this. I'd say my longest drive was about 40 miles round trip. The flat spot is immediate upon starting and driving. It doesn't seem to go away after being fully warmed up on my few longer drives either.
  2. I don't own a tool for reading trim. Any recommendations?
  3. Can you elaborate what wiper tracks are? Sorry for my ignorance.
  4. In Colorado there is only one grade higher fuel which is 89 octane. All Colorado fuel is also pretty high in ethanol. Nearly full tank but I can drain it and put it in one of two other cars that use 87. There are also octane boosters I can add.

Found the AFM procedure in Clark's Garage. Terminology makes sense now. He didn't use the word trim in his description though.
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