05 4.0l timing advancement
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Joined: May 2018
Posts: 4
From: New york
05 4.0l timing advancement
I just purchased a sct4x programmer and I can only retard the timing not advance. Any help would be amazing. First time on the forum. It's a 2005 4.0l v6 trying to use sct x4 programmer
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From: Pennsylvania
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mcfomco
5.0L (1979-1995) Mustang
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Mar 13, 2006 08:23 AM