2004 F150 5 4 Triton Engine

Understanding Ford’s F-Series VSS Systems 50 GEARS January / February 2004 KEEPTHOSETRANNYSROLLING T he ATRAHelpLine is constant-ly receiving calls related to the vehicle speed sensor (VSS) system on Ford’s F-series trucks. Most of these questions are fairly common, ranging from the basic system opera-tion to step-by-step diagnostic routines. ................
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