speed problem


RCAID99
10-24-2007, 09:25 PM
99 4x4 navigator 112,000 miles it runs good but the 4x4 and low gear lights stay on , and for some reason this causes my speedometer not to work right ,it will not pass more than 25 miles per hour , sometimes the ligths go off and my speedometer works fine.
Can this be a speed sensor problem?

Towncar
11-18-2007, 09:57 PM
Can this be a speed sensor problem?

It sure sounds like a VSS.. it might just be loose and misaligned.

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