Forum: 4-Cylinder Tech
04-19-2016, 08:13 PM
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Replies: 1
Views: 798
Spark knock/detonation 4cyl/
I have owned a 1998 4cyl manual ranger for 13 years. It has always had detonation at various speeds and times. I have had several mechanics look at it including the ford dealer. When it does, it does...
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